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Griffith's experiment
Frederick Griffith discovers a "transforming" factor between two strains of bacteria. -
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Discovery of DNA
Experiments determining that DNA is the genetic material in cells. -
Oswald Avery
Oswald Avery and a group of scientists discover genes are made of DNA -
Rosalind Franklin
Rosalind Franklin determines the shape of DNA through x-ray diffraction. -
Watson and Crick
James Watson and Francis Crick work together to create a double-helix model of a DNA molecule.
