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Unformatted text preview: Johan Friedrich Miescher (1868) Nuclein and protamine Frederick Griffith (1928): Discovery of transformation in bacteria (Streptococcus pneumoniae) Avery, MacLeod and McCarty (1944): proof that DNA mediates transformation Hershey and Chase (1952): Proof that DNA carries the genetic information in bacteriophage T2 Fraenkel-Conrat (1957): Proof that RNA is the genetic material in some viruses...
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- Spring '08