DNA Timeline

By mollyb10143

  • Gregor Mendel

    Gregor Mendel
    Published results of his investigation of the inheritance of "factors" in pea plants.

  • Arne Tiselius

    Introduced electrophoresis, a new technique for separating proteins in a solution.

  • Erwin Chargaff

    Erwin Chargaff
    Creates what’s now known as “Chargaff’s Rules”, this shows the amounts of adenine and thymine and cytosine and guanine are always about the same.

  • Rosalind Franklin and Maurice Wilkins

    Rosalind Franklin and Maurice Wilkins
    Performed X-ray crystallography studies.

  • James Watson and Francis Crick

    James Watson and Francis Crick
    Proposed the double-stranded, helical, complementary, non-parallel model of DNA.

  • Frederick Sanger

    First complete sequence of a protein.

  • Arthur Kornberg

    Arthur Kornberg
    Produced DNA in a test tube.

  • Paul Berg

    Produced the first recombinant DNA molecule.

  • Barbara McClintock

    Awarded nobel prize for discovering that genes are able to change position on chromosomes.

  • Alec Jeffreys

    Developed the technique called “genetic fingerprinting” where sequences of DNA are used for identification.