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Charles Darwin discovers evolution through a journey to the Galapagos Islands through the Finch establishing his book "On the Origin of Species by Means of Natural Selection."
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Gregor Mendel experiments with pea plants, demonstrating genes remain distinct through a mixture of the parents traits blending in children providing support to Darwin
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Frederick Miescher isolated DNA from cells and calls it "Nuclein"
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Theodor Boveri discovers the idea of chromosomal individuality providing examples and proof of the hereditary role and behavior of chromosomes. Boveri published Beiträge zur Kenntnis der Nervenfasern'
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Walter Sutton discovers the segregation of chromosomes during meiosis eventually matching Mendel's work
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Frans Janssen discovers the crossing over of Genes during meiosis approving of Mendels work creating 'chiasmatypie'
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Scientist Thomas Hunt Morgan discovers chromosomes transmitting genes and genetic linkage through a study using fruit flies.
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Barbara McClintock used corn as an experiment, her results conclude genes move around with chromosomes and the genome is more dynamic, these transporters are called "Transposons" found in many species
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Francis Crick and James Watson discovered the double helix of DNA
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Joe Hin Tijo discovered the exact amount of human chromosomes. His work concluded 46 exact chromosomes in human cells paving the way for future researchers in relation to chromosomal abnormalities.
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Arthur Kornberg isolated DNA polymerase, discovering DNA copies Enzymes that will eventually be used in DNA sequencing
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Scientists Marshall Niberg and others discover genetic code allowing nucleic acids with 4 letter alphabets determine the order of 20 kinds of amino acids in proteins
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Scientists produce recombinant molecules by joining bacterium into a hybrid DNA into a host cell from another species ending in a recombinant DNA
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Scientists Fredrick Sanger, Allan Maxam, and Walter Gilbert developed the "Sanger Method" which creates a rapid DNA sequencing method. Modern scientists test with colored dye to identify each of the four nucleic acids that make up DNA
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Eukaryotic genes contain many interruptions called introns, these create proteins and do not specify amino acids. This discovery was made by scientists Richard Roberts and Phil Roberts.