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Download The History of DNA WebQuest
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Contributors to the Discovery of DNA Webquest The work, discoveries, and scientists involved in the history of DNA. The Mission You just got hired as a scientist in a genetics laboratory. As your first assignment approaches, you want to brush up on your history of DNA. You decide to research the following: • The scientists involved in the discovery of DNA. • The discoveries and research that led to the realization that DNA was the genetic material. • The scientists who were involved in discovering the structure of DNA. The Mission You will compile a dossier on the scientists involved as well as their research and what it meant. You research the following scientists on the next slides. With each scientist/s is a list of internet sites you can search for information. Follow along on your concept map to collect the main ideas. Remember you only have one period! DOSSIER For each scientist/s, find the following information: • The date of their discovery/research. • Their discovery or contribution to DNA history. • How they come to this discovery – Example: method, DNA technology, process, or model. Remember, you do not need to visit each website for each scientist. Just find the information you need for each scientist. Frederick Griffith Websites: • DNA Transformation • Slideshow of Griffith's Research (Use Slides 7-12) • Animation of Griffith’s experiment Points to Remember: • What was the name of Griffith’s discovery? • What did his discovery show? Oswald Avery Websites: • Avery and the transforming principle • Avery on the Genetics Timeline Points to Remember: • What was Avery trying to find out? • What did Avery finally realize about transformation? Alfred Hershey and Martha Chase Websites: • Diagram of Hershey-Chase experiment • Description of Experiment • Interactive Simulation of Experiment • Another good diagram with description Points to Remember: • What did Hershey and Chase use in their experiment to transfer genetic information? • What two parts of the virus were being tested in their experiment? • What did Hershey and Chase conclude? Erwin Chargaff Websites: • Chargaff's Rules • Description of Chargaff's Rules Points to Remember: • What are Chargaff’s rules? • What did the similarities in base pairing between different organisms say about DNA? Rosalind Franklin and Maurice Wilkins Websites: • Rosalind's Research • More Rosalind Information • Information on Maurice Wilkins and his work with DNA Points to Remember • What technique did Rosalind and Maurice use in their research? • What did Rosalind and Maurice’s work help show about DNA? Francis Crick and James Watson Websites • People and Discoveries: Watson and Crick • DNA Structure Contributors • A look back at DNA 50 years later Points to Remember: • What was the name given to Watson & Crick’s structure of DNA? • What did their model of DNA help explain about DNA? Mission Accomplished! You’re done! Once you have completed your dossiers, turn them in.