Functions of genetic material

Functions of genetic material - Johan Friedrich Miescher...

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Functions of genetic material 1. The phenotypic function -> gene expression. The genetic material must control the development and the housekeeping functions of an organism. 2. The genotypic function -> replication. The genetic material must store genetic information and transmit that information from parents to offspring. 3. The evolutionary function -> mutation . The genetic material must undergo changes to allow for evolutionary changes. Genetic material: Protein or nucleic acids?
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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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