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The first to identify the DNA as a distinct molecule.
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Griffiths Experiment was one of the first to say that bacteria are capable are transferring genetic information while in the process of transformation.
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George Beadle and Edward Tatum came up with the One gene-one enzyme concept which is were genes act through the production of enzymes, with each gene responsible for the creation of each enzyme that in turn affects a single step in the metabolic pathway.
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The Fluctuation Test explains that in bacteria, genetic mautaions happen in the absence of selection not in the presence of selection.
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This experimantal demonstration explanied that DNA is the substance that causes bacterial transformation.
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Chargaff created "Chargaffs Rules" which explains that there is always the same amount of Thymine in Adenine and Cytocine in Guanine.
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Hershey and Chase confirmed that DNA was the genetic material first showed in Avery-Carty-Macleod experiment in 1944
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They discovered the "Double-Helix."
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Discovered the structure of DNA and how characteristics are passed down trough generations.
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He crystallizes DNA polymerase, the enzyme required to synthisize DNA.
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The Meselson–Stahl experiment was an experiment by Matthew Meselson and Franklin Stahl in 1958 which supported the hypothesis that DNA replication was semiconservative.
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With Heinrich Matthaei's help; Marshall Nirenburg cracked the genetic code.
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Berg created recombinant DNA which allows scientist to splice DNA from different organisms and peut them back together.
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They developed recominant DNA technology showing that genetically enginered DNA molecules can be chaned into foreign cells.
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Discovered the Polymerase Chain Reaction or PCR.
