Experimental evidences for nucleic acids as genetic material
Experimental evidences for nucleic acids as genetic material
Timeline of events for the discovery of DNA as genetic material:
1868 J F Miescher discover nucleic acid names nuclein
1890 Weismann – Substance localized in the cell nucleus
controls development.
1900 Chromosomes shown to contain hereditary information later shown to be composed of protein and nucleic acids.
v1928 Griffith’s Transformation Experiment
1944 Avery’s Transformation Experiment (DNA not RNA not protein)
1953 Hershey-Chase Bacteriophage Experiment (DNA not protein)
1953 Watson & Crick proposed double-helix model of DNA
1956 First demonstration that RNA is genetic material in some of the virus