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Genetics Experiments

QuestionAnswer
Avery, MacLeod, and McCarty studied transformation of heat-killed S strain by destroying different elements and incubating with live R strain --> DNA transforming agent
Meselson-Stahl grew E Coli with only "heavy" N, transferred to medium with only "light" N, took density measurements after 1st and 2nd generations --> proved semi-conservative model
Watson and Crick proposed double helix
Mendel experimented with pea plants to conclude with Mendelian inheritance laws
Frederick Griffith proved that S strains could be transformed into live strains; followed by Avery, MacLeod, and McCarty
Beadle and Tatum studied bread mold Neurospora; led to "one gene- one enzyme" hypothesis
Hershey and Chase labeled protein (radioactive sulfur) and DNA (radioactive phosphorous) in phages separately with to see which was injected --> DNA is hereditary material
Created by: bethvansant
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