History of DNA

  • Darwin

    Created the theory of evolution
  • Mendel

    Mendel discovered that factors are passed down from parent to child
  • Miescher

    Discovered acidic substances
  • Griffith

    Said that Transformating factors equal the changes of properties in bacteria
  • Beadel and tatum

    Discovered how genes have a chemical reaction
  • Pauling

    He thought the DNA was a triple helix
  • Chargaff

    Created the pairing rules; A=T, G=C.
  • Hersey and Chase

    Discovered that DNA is heritary
  • Wilkins and Franklin

    Took the first picture of DNA
  • Watson and Crick

    Proved that DNA is a double helix and that the base of DNA is the pairings; A=T, G=C.