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Name: ____________________________________ Date: ______ Mods: ____ DNA Timeline Assignment http://www.dnai.org/timeline/index.html 1. Draw a timeline by flipping to the back of this paper and turning it sideways (landscape orientation). 2. Draw arrows coming from the correct time period each scientist(s) worked. Label with the year(s) and scientist(s) name(s): Mendel, Avery, Hershey & Chase, Chargaff, Franklin, Watson & Crick 3. Write 1-3 sentences to describe what contribution each scientist (or scientist pair made to the study of DNA. 4. Lastly, solve each “clue” below by providing the correct scientist(s), technique or year and then turn in both, this worksheet and your timeline It took him eight years and more than 10,000 pea plants to discover the laws of inheritance. _____________________________________________ Even though he added an extra strand to the structure of DNA, he ultimately won two Nobel Prizes: the Nobel Prize in Chemistry and the Nobel Peace Prize. __________________________________________________ These scientists used a common kitchen appliance to help show that phage (viruses that infect bacteria) DNA carries instructions to make new phage particles. Thinking of making a milkshake? _______________________________________________________ In which year was the first test-tube baby born? _______________________ This scientist first isolated DNA using pus collected from bandages at a local hospital. “Since white blood cells are a major component of pus, they were my source of DNA.” Yuck! _____________________________________