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Gregor Mendel published the results of his investigations of the inheritance of "factors" in pea plants.
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Maurice Wilkins (1916- ), Rosalind Franklin (1920-1957), Francis H. C. Crick (1916- ) of Britain and James D. Watson (1928- ) of the U.S. discover chemical structure of DNA, starting a new branch of science--molecular biology.
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Watson and Crick made a model of the DNA molecule and proved that genes determine heredity
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Arthur Kornberg (1918- ) of the U.S. produced DNA in a test tube.
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F. Sanger (1918- ) of Britain developed sequencing procedure for DNA
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Paul Berg (1926- ) of the U.S. produced the first recombinant DNA molecule.
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Barbara McClintock (1902-1992) of the U.S. was awarded the Nobel Prize for her discovery that genes are able to change position on chromosomes.
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The Late 1980's An international team of scientists began the project to map the human genome. The first crime conviction based on DNA fingerprinting, in Portland Oregon.
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Gene therapy was used on patients for the first time.
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Dr. Kary Mullis discovered the PCR procedure, for which he was awarded the Nobel prize.
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The FDA approved the first genetically engineered food -- FlavrSavr tomatoes engineered for better flavor and shelf life
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DNA testing in forensics cases gains fame in the O.J. Simpson trial.
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Dolly the Sheep - the first adult animal clone.
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J. Craig Ventor, along with Francis Collins, jointly announce the sequencing of the entire human genome.
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The Genetic code was discovered; scientists are now able to predict characteristics by studying DNA. This leads to genetic engineering, genetic counseling.
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Senate inquiry begins into the Clinton/Lewinsky scandal based largely on DNA evidence.