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Important Genetic Events

By Laios

  • The Year Gregor Mendel Starts Studying

    The Year Gregor Mendel Starts Studying
    Gregor Mendel discovered about heredity by using pea plants. This also helps support natural selection and helps with incomplete dominance studies.

  • Natural Selection is Discovered

    Natural Selection is Discovered
    “On the Origin of Species by Means of Natural Selection, or the Preservation of Favored Races in the Struggle for Life.” was written by Charles Darwin

  • DNA Isolated For the First Time

    DNA Isolated For the First Time
    Frederick Miescher isolates DNA from cells. It is called nuclein.

  • Chromosome Theory of Inheritance Discovered

    Walter Sutton discovers that the segregation of the chromosomes
    during meiosis matched Mendel's pattern of segregation perfectly.

  • The Word Gene Is Used

    Wilhelm Johannsen creates the word 'gene'.

  • Discovery That Chromosomes Carry Genes

    Thomas Hunt Morgan and his students study fruit fly
    chromosomes, showing that chromosomes carry genes.

  • Double Helix is Proven to be the Shape of DNA

    Francis H. Crick and James D. Watson described the double
    helix structure of DNA, then receive the Nobel Prize for the discovery.

  • 46 Chromosome Discovery

    Joe Hin Tjio discovers humans have exactly 46 chromosomes in their cells.

  • DNA polymerase isolated

    Arthur Kornberg and colleagues isolated DNA polymerase

  • 46 Chromosome Discovery

    Joe Hin Tjio discovers that there are 46 chromosomes in a human cell.

  • First Screen For a Metabolic Defect in Newborns

    Robert Guthrie finds a method to test newborns for the
    metabolic defect PKU.

  • Genetic Code Cracked

    Marshall Nirenberg figures out the genetic code
    that lets nucleic acids and their alphabet determine the order of 20 kinds of amino acids in proteins.

  • Genetic Code Cracked

    Marshall Nirenberg figures out the genetic code that lets nucleic acids and their 4 letter alphabet determine the order of 20 kinds of amino acids in proteins.

  • First Genetically Modified Food Approved

    The Food And Drug Administration approves the sale of the
    first genetically modified food.

  • Completion of Human Genome Sequencing

    The finished human genome sequence is at least 99.99%
    accurate.

  • Discovery That DNA is a Double Helix

    Francis H. Crick and James D. Watson described the double
    helix structure of DNA. They then get a Nobel Prize.