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DNA History Webquest Answer Key: Unraveling the Secrets of the Double Helix
Are you struggling to complete your DNA history webquest? Feeling lost in a sea of scientific discoveries and historical figures? This comprehensive guide provides a detailed, yet accessible, answer key to common DNA history webquest questions. We'll walk you through the key milestones, prominent scientists, and groundbreaking experiments that shaped our understanding of DNA, ensuring you not only complete your assignment but also gain a deeper appreciation for this fascinating field. This post offers a structured approach, breaking down the complex history of DNA into manageable sections with clear explanations and readily available resources for further exploration.
Section 1: The Early Days – Before the Double Helix (Pre-1953)
1.1 The Search for the Genetic Material:
Early scientists knew heredity existed, but they didn't understand what carried genetic information. Experiments like Griffith's transformation experiment (1928) hinted at a "transforming principle," suggesting that something within cells could change the characteristics of other cells. Avery, MacLeod, and McCarty's work (1944) further narrowed down this "principle" to DNA, though protein was still considered a strong contender.
1.2 The Role of Chargaff's Rules:
Erwin Chargaff's meticulous research in the 1950s revealed crucial base pairing rules: the amount of adenine (A) always equals thymine (T), and the amount of guanine (G) always equals cytosine (C). While not directly explaining DNA's structure, these rules proved invaluable to Watson and Crick's later model.
1.3 Hershey-Chase Experiment (1952):
This landmark experiment definitively proved that DNA, not protein, was the genetic material. Using bacteriophages (viruses that infect bacteria), Hershey and Chase showed that radioactive phosphorus (found in DNA) entered the bacteria, while radioactive sulfur (found in protein) remained outside.
Section 2: The Double Helix and Beyond (1953-Present)
2.1 The Watson-Crick Model (1953):
James Watson and Francis Crick, building upon the work of Rosalind Franklin and Maurice Wilkins (whose X-ray diffraction images were crucial), proposed the now-famous double helix model of DNA. This model explained how genetic information could be stored and replicated, revolutionizing biology. Understanding the double helix is key to understanding DNA replication, transcription, and translation.
2.2 The Significance of Rosalind Franklin's Work:
Rosalind Franklin's X-ray diffraction images of DNA were instrumental in determining its structure. While not directly involved in constructing the model, her contribution is now widely acknowledged as essential to Watson and Crick's success. This highlights the importance of collaborative scientific endeavors and recognizing contributions from all involved.
2.3 The Human Genome Project (1990-2003):
This international collaborative project aimed to map the entire human genome – all the DNA in a human cell. Its completion provided a comprehensive understanding of human genes and their organization, opening doors to advancements in personalized medicine and genetic research.
Section 3: Applications and Future Directions
The discovery of DNA's structure and the subsequent advancements in genomic research have had a profound impact on various fields:
Medicine: DNA sequencing is used for diagnostic purposes, identifying genetic disorders and developing targeted therapies.
Forensics: DNA fingerprinting is used in criminal investigations to identify suspects and victims.
Agriculture: Genetic engineering is used to improve crop yields and create disease-resistant plants.
Evolutionary Biology: DNA analysis helps trace evolutionary relationships between species and understand the history of life on Earth.
The future of DNA research holds even more exciting possibilities, including gene editing technologies like CRISPR-Cas9, which hold immense potential for treating genetic diseases.
Conclusion
Understanding the history of DNA is crucial to appreciating its significance in modern science and its impact on our lives. This webquest answer key has provided a structured overview of key milestones, researchers, and applications. Remember to always cite your sources properly and delve deeper into areas that pique your interest. The study of DNA is an ongoing journey of discovery, and your understanding of its history is just the beginning.
Frequently Asked Questions (FAQs)
1. Who actually discovered the structure of DNA? While Watson and Crick are often credited, the discovery was a collaborative effort involving many scientists, most notably Rosalind Franklin and Maurice Wilkins. Their contributions were crucial to the model's development.
2. What is the significance of Chargaff's rules? Chargaff's rules, which describe the base pairing ratios in DNA (A=T and G=C), provided vital clues to the structure of the DNA molecule, acting as a critical piece of the puzzle for Watson and Crick.
3. What is the difference between DNA and RNA? DNA is a double-stranded helix that stores genetic information, while RNA is usually single-stranded and plays various roles in gene expression, including protein synthesis.
4. How does DNA replication work? DNA replication involves unwinding the double helix, separating the two strands, and using each strand as a template to synthesize a new complementary strand. This ensures that genetic information is faithfully passed on during cell division.
5. What are some ethical considerations surrounding DNA research? Ethical concerns include issues of genetic privacy, potential misuse of genetic information, and the implications of gene editing technologies. Careful consideration of these issues is essential for responsible advancement in the field.
| dna history webquest answer key: The Transforming Principle Maclyn McCarty, 1986 Forty years ago, three medical researchers--Oswald Avery, Colin MacLeod, and Maclyn McCarty--made the discovery that DNA is the genetic material. With this finding was born the modern era of molecular biology and genetics. |
| dna history webquest answer key: The Threat of Pandemic Influenza Institute of Medicine, Board on Global Health, Forum on Microbial Threats, 2005-04-09 Public health officials and organizations around the world remain on high alert because of increasing concerns about the prospect of an influenza pandemic, which many experts believe to be inevitable. Moreover, recent problems with the availability and strain-specificity of vaccine for annual flu epidemics in some countries and the rise of pandemic strains of avian flu in disparate geographic regions have alarmed experts about the world's ability to prevent or contain a human pandemic. The workshop summary, The Threat of Pandemic Influenza: Are We Ready? addresses these urgent concerns. The report describes what steps the United States and other countries have taken thus far to prepare for the next outbreak of killer flu. It also looks at gaps in readiness, including hospitals' inability to absorb a surge of patients and many nations' incapacity to monitor and detect flu outbreaks. The report points to the need for international agreements to share flu vaccine and antiviral stockpiles to ensure that the 88 percent of nations that cannot manufacture or stockpile these products have access to them. It chronicles the toll of the H5N1 strain of avian flu currently circulating among poultry in many parts of Asia, which now accounts for the culling of millions of birds and the death of at least 50 persons. And it compares the costs of preparations with the costs of illness and death that could arise during an outbreak. |
| dna history webquest answer key: Flu Gina Kolata, 2011-04-01 Veteran journalist Gina Kolata's Flu: The Story of the Great Influenza Pandemic of 1918 and the Search for the Virus That Caused It presents a fascinating look at true story of the world's deadliest disease. In 1918, the Great Flu Epidemic felled the young and healthy virtually overnight. An estimated forty million people died as the epidemic raged. Children were left orphaned and families were devastated. As many American soldiers were killed by the 1918 flu as were killed in battle during World War I. And no area of the globe was safe. Eskimos living in remote outposts in the frozen tundra were sickened and killed by the flu in such numbers that entire villages were wiped out. Scientists have recently rediscovered shards of the flu virus frozen in Alaska and preserved in scraps of tissue in a government warehouse. Gina Kolata, an acclaimed reporter for The New York Times, unravels the mystery of this lethal virus with the high drama of a great adventure story. Delving into the history of the flu and previous epidemics, detailing the science and the latest understanding of this mortal disease, Kolata addresses the prospects for a great epidemic recurring, and, most important, what can be done to prevent it. |
| dna history webquest answer key: Anatomy and Physiology J. Gordon Betts, Peter DeSaix, Jody E. Johnson, Oksana Korol, Dean H. Kruse, Brandon Poe, James A. Wise, Mark Womble, Kelly A. Young, 2013-04-25 |
| dna history webquest answer key: The Beak of the Finch Jonathan Weiner, 2014-05-14 PULITZER PRIZE WINNER • A dramatic story of groundbreaking scientific research of Darwin's discovery of evolution that spark[s] not just the intellect, but the imagination (Washington Post Book World). “Admirable and much-needed.... Weiner’s triumph is to reveal how evolution and science work, and to let them speak clearly for themselves.”—The New York Times Book Review On a desert island in the heart of the Galapagos archipelago, where Darwin received his first inklings of the theory of evolution, two scientists, Peter and Rosemary Grant, have spent twenty years proving that Darwin did not know the strength of his own theory. For among the finches of Daphne Major, natural selection is neither rare nor slow: it is taking place by the hour, and we can watch. In this remarkable story, Jonathan Weiner follows these scientists as they watch Darwin's finches and come up with a new understanding of life itself. The Beak of the Finch is an elegantly written and compelling masterpiece of theory and explication in the tradition of Stephen Jay Gould. |
| dna history webquest answer key: The Double Helix James D. Watson, 1969-02 Since its publication in 1968, The Double Helix has given countless readers a rare and exciting look at one highly significant piece of scientific research-Watson and Crick's race to discover the molecular structure of DNA. |
| dna history webquest answer key: Secrets to Success for Science Teachers Ellen Kottler, Victoria Brookhart Costa, 2015-10-27 This easy-to-read guide provides new and seasoned teachers with practical ideas, strategies, and insights to help address essential topics in effective science teaching, including emphasizing inquiry, building literacy, implementing technology, using a wide variety of science resources, and maintaining student safety. |
| dna history webquest answer key: The Queer and Transgender Resilience Workbook Anneliese A. Singh, 2018-02-02 How can you build unshakable confidence and resilience in a world still filled with ignorance, inequality, and discrimination? The Queer and Transgender Resilience Workbook will teach you how to challenge internalized negative messages, handle stress, build a community of support, and embrace your true self. Resilience is a key ingredient for psychological health and wellness. It’s what gives people the psychological strength to cope with everyday stress, as well as major setbacks. For many people, stressful events may include job loss, financial problems, illness, natural disasters, medical emergencies, divorce, or the death of a loved one. But if you are queer or gender non-conforming, life stresses may also include discrimination in housing and health care, employment barriers, homelessness, family rejection, physical attacks or threats, and general unfair treatment and oppression—all of which lead to overwhelming feelings of hopelessness and powerlessness. So, how can you gain resilience in a society that is so often toxic and unwelcoming? In this important workbook, you’ll discover how to cultivate the key components of resilience: holding a positive view of yourself and your abilities; knowing your worth and cultivating a strong sense of self-esteem; effectively utilizing resources; being assertive and creating a support community; fostering hope and growth within yourself, and finding the strength to help others. Once you know how to tap into your personal resilience, you’ll have an unlimited well you can draw from to navigate everyday challenges. By learning to challenge internalized negative messages and remove obstacles from your life, you can build the resilience you need to embrace your truest self in an imperfect world. |
| dna history webquest answer key: The Teapot Dome Scandal Laton McCartney, 2008-03-25 Mix hundreds of millions of dollars in petroleum reserves; rapacious oil barons and crooked politicians; under-the-table payoffs; murder, suicide, and blackmail; White House cronyism; and the excesses of the Jazz Age. The result: the granddaddy of all American political scandals, Teapot Dome. In The Teapot Dome Scandal, acclaimed author Laton McCartney tells the amazing, complex, and at times ribald story of how Big Oil handpicked Warren G. Harding, an obscure Ohio senator, to serve as our twenty-third president. Harding and his so-called “oil cabinet” made it possible for the oilmen to secure vast oil reserves that had been set aside for use by the U.S. Navy. In exchange, the oilmen paid off senior government officials, bribed newspaper publishers, and covered the GOP campaign debt. When news of the scandal finally emerged, the consequences were disastrous for the nation and for the principles in the plot to bilk the taxpayers: Harding’s administration was hamstrung; Americans’ confidence in their government plummeted; Secretary of the Interior Albert Fall was indicted, convicted, and incarcerated; and others implicated in the affair suffered similarly dire fates. Stonewalling by members of Harding’s circle kept a lid on the story–witnesses developed “faulty” memories or fled the country, and important documents went missing–but contemporary records newly made available to McCartney reveal a shocking, revelatory picture of just how far-reaching the affair was, how high the stakes, and how powerful the conspirators. In giving us a gimlet-eyed but endlessly entertaining portrait of the men and women who made a tempest of Teapot Dome, Laton McCartney again displays his gift for faithfully rendering history with the narrative touch of an accomplished novelist. |
| dna history webquest answer key: National Educational Technology Standards for Teachers International Society for Technology in Education, 2002 Standards were developed to guide educational leaders in recognizing and addressing the essential conditions for effective use of technology to support P-12 education. |
| dna history webquest answer key: Virus Structure , 2003-10-02 Virus Structure covers the full spectrum of modern structural virology. Its goal is to describe the means for defining moderate to high resolution structures and the basic principles that have emerged from these studies. Among the topics covered are Hybrid Vigor, Structural Folds of Viral Proteins, Virus Particle Dynamics, Viral Gemone Organization, Enveloped Viruses and Large Viruses. - Covers viral assembly using heterologous expression systems and cell extracts - Discusses molecular mechanisms in bacteriophage T7 procapsid assembly, maturation and DNA containment - Includes information on structural studies on antibody/virus complexes |
| dna history webquest answer key: The Plant Cell Cycle Dirk Inzé, 2011-06-27 In recent years, the study of the plant cell cycle has become of major interest, not only to scientists working on cell division sensu strictu , but also to scientists dealing with plant hormones, development and environmental effects on growth. The book The Plant Cell Cycle is a very timely contribution to this exploding field. Outstanding contributors reviewed, not only knowledge on the most important classes of cell cycle regulators, but also summarized the various processes in which cell cycle control plays a pivotal role. The central role of the cell cycle makes this book an absolute must for plant molecular biologists. |
| dna history webquest answer key: Drugs, Brains, and Behavior , 2007 |
| dna history webquest answer key: Kennewick Man Douglas W. Owsley, Richard L. Jantz, 2014 Introduction: the scientific investigation of Kennewick Man / Douglas W. Owsley -- Establishing context. Introductory remark -- The people who peopled America / Brad Lepper -- Geography, paleoecology, and archaeology / James C. Chatters -- Chronology of the Kennewick Man skeleton / Thomas Wier Stafford, Jr. -- The precedent-setting case of Kennewick Man / Alan L. Schneider and Paula A. Barran -- Reflections of a former Army Corps of Engineers archaeologist / Larry D. Banks -- Curation history and overview of the plaintiffs' studies / Cleone H. Hawkinson -- Skeletal studies. Introductory remark -- Skeletal inventory, morphology, and pathology / Douglas W. Owsley, Aleithea A. Williams, and Karin S. Bruwelheide -- Dentition / Christy G. Turner, II -- Dental microwear / Mark F. Teaford and Sireen El-Zaatari -- Orthodontics / John L. Hayes -- Body mass, stature, and proportions of the skeleton / Benjamin M. Auerbach -- Reconstructing habitual activities by biomechanical analysis of long bones / Daniel Wescott -- Bones of the hands and feet / Troy Case -- The natural shocks that flesh is heir to / Della Collins Cook -- Occupational stress markings and patterns of injury / James C. Chatters -- Stable isotopic evidence for diet and origin / Henry P. Schwarcz, Thomas Wier Stafford, Jr., Martin Knyf, Brian Chisholm, Fred J. Longstaffe, James C. Chatters, and Douglas W. Owsley -- Taphonomic indicators of burial context / Douglas W. Owsley, Aleithea A. Williams, Thomas Wier Stafford, Jr. -- Benthic aquatic algae: indicators of recent taphonomic history / James L. Norris and Douglas W. Owsley -- Postmortem breakage as a taphonomic tool for determining burial position / Hugh Berryman -- Applications of technology. Introductory remark -- Computed tomography, visualization, and 3D modeling / Rebecca Snyder -- Prototype accuracy and reassembly / David Hunt -- Molding and casting methods / Steve Jabo -- The point of the story / Dennis Stanford -- Population studies. Introductory remark -- The Ainu and Jōmon connection / C. Loring Brace, Noriko Seguchi, A. Russell Nelson, Pan Qifeng, Hideyuki Umeda, Margaret Wilson, and Mary L. Brace -- Cranial morphometric evidence for early Holocene relationships and population structure / Richard L. Jantz and M. Katherine Spradley -- Two-dimensional geometric morphometrics / M. Katherine Spradley, Richard L. Jantz, and Katherine E. Weisensee -- Morphological features that reflect population affinities / George Gill -- Identity through science and art / Karin S. Bruwelheide and Douglas W. Owsley -- Early Holocene contemporaries. Introductory remark -- Evidence of maritime adaptation and coastal migration from southeast Alaska / E. James Dixon, Timothy H. Heaton, Craig M. Lee, Terence E. Fifield, Joan Brenner Coltrain, Brian M. Kemp, Douglas W. Owsley, Eric Parrish, Christy Turner, Heather J.H. Edgar, Rosita Kaaháni Worl, David Glenn Smith, and G. Lang Farmer -- A new look at the double burial from Horn Shelter no. 2 / Margaret A. Jodry and Douglas W. Owsley -- Kennewick Man's future. Storage and care at the Burke Museum / Cleone Hawkinson -- Who was Kennewick Man? / Douglas W. Owsley and Richard L. Jantz |
| dna history webquest answer key: The Cell Cycle and Cancer Renato Baserga, 1971 |
| dna history webquest answer key: An Introduction to Forensic Genetics William Goodwin, Adrian Linacre, Sibte Hadi, 2007-11-27 An Introduction to Forensic Genetics is a comprehensive introduction to this fast moving area from the collection of evidence at the scene of a crime to the presentation of that evidence in a legal context. The last few years have seen significant advances in the subject and the development and application of genetics has revolutionised forensic science. This book begins with the key concepts needed to fully appreciate the subject and moves on to examine the latest developments in the field, illustrated throughout with references to relevant casework. In addition to the technology involved in generating a DNA profile, the underlying population biology and statistical interpretation are also covered. The evaluation and presentation of DNA evidence in court is discussed as well with guidance on the evaluation process and how court reports and statements should be presented. An accessible introduction to Forensic Genetics from the collection of evidence to the presentation of that evidence in a legal context Includes case studies to enhance student understanding Includes the latest developments in the field focusing on the technology used today and that which is likely to be used in the future Accessible treatment of population biology and statistics associated with forensic evidence This book offers undergraduate students of Forensic Science an accessible approach to the subject that will have direct relevance to their courses. An Introduction to Forensic Genetics is also an invaluable resource for postgraduates and practising forensic scientists looking for a good introduction to the field. |
| dna history webquest answer key: Feed M. T. Anderson, 2010-05-11 Identity crises, consumerism, and star-crossed teenage love in a futuristic society where people connect to the Internet via feeds implanted in their brains. Winner of the LA Times Book Prize. For Titus and his friends, it started out like any ordinary trip to the moon - a chance to party during spring break and play around with some stupid low-grav at the Ricochet Lounge. But that was before the crazy hacker caused all their feeds to malfunction, sending them to the hospital to lie around with nothing inside their heads for days. And it was before Titus met Violet, a beautiful, brainy teenage girl who knows something about what it’s like to live without the feed-and about resisting its omnipresent ability to categorize human thoughts and desires. Following in the footsteps of George Orwell, Anthony Burgess, and Kurt Vonnegut, Jr., M. T. Anderson has created a brave new world - and a hilarious new lingo - sure to appeal to anyone who appreciates smart satire, futuristic fiction laced with humor, or any story featuring skin lesions as a fashion statement. |
| dna history webquest answer key: Mapping and Sequencing the Human Genome National Research Council, Division on Earth and Life Studies, Commission on Life Sciences, Committee on Mapping and Sequencing the Human Genome, 1988-01-01 There is growing enthusiasm in the scientific community about the prospect of mapping and sequencing the human genome, a monumental project that will have far-reaching consequences for medicine, biology, technology, and other fields. But how will such an effort be organized and funded? How will we develop the new technologies that are needed? What new legal, social, and ethical questions will be raised? Mapping and Sequencing the Human Genome is a blueprint for this proposed project. The authors offer a highly readable explanation of the technical aspects of genetic mapping and sequencing, and they recommend specific interim and long-range research goals, organizational strategies, and funding levels. They also outline some of the legal and social questions that might arise and urge their early consideration by policymakers. |
| dna history webquest answer key: Biology for AP ® Courses Julianne Zedalis, John Eggebrecht, 2017-10-16 Biology for AP® courses covers the scope and sequence requirements of a typical two-semester Advanced Placement® biology course. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology for AP® Courses was designed to meet and exceed the requirements of the College Board’s AP® Biology framework while allowing significant flexibility for instructors. Each section of the book includes an introduction based on the AP® curriculum and includes rich features that engage students in scientific practice and AP® test preparation; it also highlights careers and research opportunities in biological sciences. |
| dna history webquest answer key: Forensic Fingerprints Max M. Houck, 2016-02-03 Forensic Fingerprints, the latest in the Advanced Forensic Science Series which grew out of the recommendations from the 2009 NAS Report: Strengthening Forensic Science: A Path Forward, serves as a graduate level text for those studying and teaching fingerprint detection and analysis, and will also prove to be an excellent reference for forensic practitioner libraries and for use in casework. Coverage includes fingerprint science, friction ridge print examination, AFIS, foot and palm prints, and the professional issues practitioners may encounter. Edited by a world-renowned leading forensic expert, this book is a long overdue solution for the forensic science community. - Provides basic principles of forensic science and an overview of interpretation and comparative methods - Contains information on the chemistry of print residue and the visualization of latent prints - Covers fingerprint science, friction ridge print examination, AFIS, and foot and palm prints - Includes a section on professional issues, from crime scene to court, lab reports, health and safety, and certification - Incorporates effective pedagogy, key terms, review questions, discussion questions, and additional reading suggestions |
| dna history webquest answer key: Curriculum 21 Heidi Hayes Jacobs, 2010-01-05 What year are you preparing your students for? 1973? 1995? Can you honestly say that your school's curriculum and the program you use are preparing your students for 2015 or 2020? Are you even preparing them for today? With those provocative questions, author and educator Heidi Hayes Jacobs launches a powerful case for overhauling, updating, and injecting life into the K-12 curriculum. Sharing her expertise as a world-renowned curriculum designer and calling upon the collective wisdom of 10 education thought leaders, Jacobs provides insight and inspiration in the following key areas: * Content and assessment: How to identify what to keep, what to cut, and what to create, and where portfolios and other new kinds of assessment fit into the picture. * Program structures: How to improve our use of time and space and groupings of students and staff. * Technology: How it's transforming teaching, and how to take advantage of students' natural facility with technology. * Media literacy: The essential issues to address, and the best resources for helping students become informed users of multiple forms of media. * Globalization: What steps to take to help students gain a global perspective. * Sustainability: How to instill enduring values and beliefs that will lead to healthier local, national, and global communities. * Habits of mind: The thinking habits that students, teachers, and administrators need to develop and practice to succeed in school, work, and life. The answers to these questions and many more make Curriculum 21 the ideal guide for transforming our schools into what they must become: learning organizations that match the times in which we live. |
| dna history webquest answer key: James Watson and Francis Crick Matt Anniss, 2014-08-01 Watson and Crick are synonymous with DNA, the instructions for life. But how did these scientists figure out something as elusive and complicated as the structure of DNA? Readers will learn about the different backgrounds of these two gifted scientists and what ultimately led them to each other. Their friendship, shared interests, and common obsessions held them together during the frenzied race to unlock the mysteries of DNA in the mid-twentieth century. Along with explanations about how DNA works, the repercussions of the dynamic duo's eventual discovery will especially fascinate young scientists. |
| dna history webquest answer key: Lucy Donald Johanson, Maitland Edey, 1990-09-15 How our oldest human ancestor was discovered--and who she was--Cover. |
| dna history webquest answer key: The Origin of Species by Means of Natural Selection, Or, The Preservation of Favored Races in the Struggle for Life Charles Darwin, 1896 |
| dna history webquest answer key: The Human Web John Robert McNeill, William Hardy McNeill, 2003 Why did the first civilizations emerge when and where they did? How did Islam become a unifying force in the world of its birth? What enabled the West to project its goods and power around the world from the fifteenth century on? Why was agriculture invented seven times and the steam engine just once?World-historical questions such as these, the subjects of major works by Jared Diamond, David Landes, and others, are now of great moment as global frictions increase. In a spirited and original contribution to this quickening discussion, two renowned historians, father and son, explore the webs that have drawn humans together in patterns of interaction and exchange, cooperation and competition, since earliest times. Whether small or large, loose or dense, these webs have provided the medium for the movement of ideas, goods, power, and money within and across cultures, societies, and nations. From the thin, localized webs that characterized agricultural communities twelve thousand years ago, through the denser, more interactive metropolitan webs that surrounded ancient Sumer, Athens, and Timbuktu, to the electrified global web that today envelops virtually the entire world in a maelstrom of cooperation and competition, J. R. McNeill and William H. McNeill show human webs to be a key component of world history and a revealing framework of analysis. Avoiding any determinism, environmental or cultural, the McNeills give us a synthesizing picture of the big patterns of world history in a rich, open-ended, concise account. |
| dna history webquest answer key: Forensic DNA Applications Dragan Primorac, Moses Schanfield, 2014-01-29 Forensic DNA Applications: An Interdisciplinary Perspective was developed as an outgrowth of a conference held by the International Society of Applied Biological Sciences. The topic was human genome–based applications in forensic science, anthropology, and individualized medicine. Assembling the contributions of contributors from numerous regions around the world, this volume is designed as both a textbook for forensic molecular biology students and a reference for practitioners and those in the legal system. The book begins with the history and development of DNA typing and profiling for criminal and civil purposes. It discusses the statistical interpretation of results with case examples, mitochondrial DNA testing, Y single nucleotide polymorphisms (SNPs) and short tandem repeats (STRs), and X SNP and STR testing. It also explores low copy number DNA typing, mixtures, and quality assurance and control. The second section examines the collection and preservation of biological evidence under a variety of different circumstances and the identification of human remains—including in mass disaster settings. It discusses applications to bioterrorism investigations, animal DNA testing in criminal cases, pedigree questions and wildlife forensic problems, applications in forensic entomology, and forensic botany. The third section explores recent developments and new technologies, including the rigorous identification of tissue of origin, mtDNA profiling using immobilized probe strips, chips and next-generation sequencing, the use of SNPs to ascertain phenotypic characteristics, and the molecular autopsy that looks at aspects of toxicogenetics and pharmacogenetics. The book concludes with a discussion on law, ethics, and policy. It examines the use of DNA evidence in the criminal justice system in both the United States and Europe, ethical issues in forensic laboratory practices, familial searches, DNA databases, ancestry searches, physical phenotyping, and report writing. The contributors also examine DNA applications in immigration and human trafficking cases and international perspectives on DNA databases. |
| dna history webquest answer key: I Am the Central Park Jogger Trisha Meili, 2003-04-18 A timeless, “triumphant” (Entertainment Weekly) story of healing and recovery from the victim of a crime that shocked the nation: the Central Park Jogger. Shortly after 9:00 p.m. on April 19, 1989, a young woman jogs alone near 102nd Street in New York City's Central Park. She is attacked, raped, savagely beaten, and left for dead. Hours later she arrives at the emergency room—comatose—she has lost so much blood that her doctors believe it’s a miracle she's still alive. Meet Trisha Meili, the Central Park Jogger. I Am the Central Park Jogger recounts the mesmerizing, inspiring, often wrenching story of human strength and transcendent recovery. Called “Hero of the Month” by Glamour magazine, Meili tells us who she was before the attack—a young Wall Street professional with a promising future—and who she has become: a woman who learned how to read, write, walk, talk, and love again...and turn horrifying violence and certain death into extraordinary healing and victorious life. With “moments of unexpected grace and insights into life’s challenges….Meili’s story—the story the public never knew—is unforgettable” (The Buffalo News). |
| dna history webquest answer key: Sustainable Agriculture Research and Education in the Field National Research Council, Board on Agriculture, 1991-02-01 Interest is growing in sustainable agriculture, which involves the use of productive and profitable farming practices that take advantage of natural biological processes to conserve resources, reduce inputs, protect the environment, and enhance public health. Continuing research is helping to demonstrate the ways that many factorsâ€economics, biology, policy, and traditionâ€interact in sustainable agriculture systems. This book contains the proceedings of a workshop on the findings of a broad range of research projects funded by the U.S. Department of Agriculture. The areas of study, such as integrated pest management, alternative cropping and tillage systems, and comparisons with more conventional approaches, are essential to developing and adopting profitable and sustainable farming systems. |
| dna history webquest answer key: Educational Technology, Teacher Knowledge, and Classroom Impact Robert N. Ronau, Christopher R. Rakes, Margaret Niess, 2012 This book provides a framework for evaluating and conducting educational technology research, sharing research on educational technology in education content areas, and proposing structures to guide, link, and build new structures with future research--Provided by publisher. |
| dna history webquest answer key: CLIL Skills Liz Dale, Wibo Van der Es, Rosie Tanner, Stephan Timmers, 2011 |
| dna history webquest answer key: The Eukaryotic Cell Cycle J. A. Bryant, Dennis Francis, 2008 Written by respected researchers, this is an excellent account of the eukaryotic cell cycle that is suitable for graduate and postdoctoral researchers. It discusses important experiments, organisms of interest and research findings connected to the different stages of the cycle and the components involved. |
| dna history webquest answer key: Microbes at Work Heribert Insam, Ingrid Franke-Whittle, Marta Goberna, 2009-12-07 Among the goals of environmentally sound waste treatment is the recycling of organic wastes. The most practiced options are composting and anaerobic digestion, both processes being carried out by microorganisms. This book provides an overview of the various ways microbes are doing their job and gives the reader an impression of their potential. The sixteen chapters of this book summarize the advantages and disadvantages of treatment processes, whether they are aerobic like composting or work without oxygen like anaerobic digestion for biogas (methane) production. These chapters show the potential of microorganisms to create valuable resources from otherwise wasted materials. These resources include profitable organic, humus-like soil conditioners or fertilizer components which are often suppressive to plant diseases. Composts may thus improve soil carbon sequestration, or support sustainable agriculture by reducing the need for mineral fertilizers or pesticides. If anaerobic digestion is used, the biogas produced may replace fossil fuels. Thus, proper biological waste treatment with the help of microorganisms should contribute to a reduction of anthropogenic greenhouse gas production. |
| dna history webquest answer key: CRISPR-Cas Enzymes , 2019-01-25 CRISPR-Cas Enzymes, Volume 616, the latest release in the Methods in Enzymology series, continues the legacy of this premier serial with quality chapters authored by leaders in the field. Topics covered in this release include CRISPR bioinformatics, A method for one-step assembly of Class 2 CRISPR arrays, Biochemical reconstitution and structural analysis of ribonucleoprotein complexes in Type I-E CRISPR-Cas systems, Mechanistic dissection of the CRISPR interference pathway in Type I-E CRISPR-Cas system, Site-specific fluorescent labeling of individual proteins within CRISPR complexes, Fluorescence-based methods for measuring target interference by CRISPR-Cas systems, Native State Structural Characterization of CRISRP Associated Complexes using Mass Spectrometry, and more. - Provides the authority and expertise of leading contributors from an international board of authors - Presents the latest release in the Methods in Enzymology series - Updated release includes the latest information on the CRISPR-Cas Enzymes |
| dna history webquest answer key: The Population Bomb Paul R. Ehrlich, 1971 |
| dna history webquest answer key: Forensic Science for High School Barbara Deslich, John Funkhouser, Kendall/Hunt Publishing Company, 2009 |
| dna history webquest answer key: Assembling Life David W. Deamer, 2019 Explores the possibilities of how life began on Earth four billion years ago |
| dna history webquest answer key: Human Genetics Ricki Lewis, 2004-02 Human Genetics, 6/e is a non-science majors human genetics text that clearly explains what genes are, how they function, how they interact with the environment, and how our understanding of genetics has changed since completion of the human genome project. It is a clear, modern, and exciting book for citizens who will be responsible for evaluating new medical options, new foods, and new technologies in the age of genomics. |
| dna history webquest answer key: Ditch That Textbook Matt Miller, 2015-04-13 Textbooks are symbols of centuries-old education. They're often outdated as soon as they hit students' desks. Acting by the textbook implies compliance and a lack of creativity. It's time to ditch those textbooks--and those textbook assumptions about learning In Ditch That Textbook, teacher and blogger Matt Miller encourages educators to throw out meaningless, pedestrian teaching and learning practices. He empowers them to evolve and improve on old, standard, teaching methods. Ditch That Textbook is a support system, toolbox, and manifesto to help educators free their teaching and revolutionize their classrooms. |
| dna history webquest answer key: Animal Biotechnology (3Rd Ed.) M. M. Ranga, 2010-07 |
| dna history webquest answer key: Composting in the Classroom Nancy M. Trautmann, Marianne E. Krasny, 1998 Promote inquiry-based learning and environmental responsibility at the same time. Composting in the Classroom is your comprehensive guide offering descriptions of a range of composting mechanisms, from tabletop soda bottles to outdoor bins. Activities vary in complexity -- you can use this as a whole unit, or pick and choose individual activities. |
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