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Mendel creates his laws by working with pea plants.
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Johannsen introduces the word “gene” as a new concept in genetics.
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Thomas Hunt Morgan demonstrates that genes reside in chromosomes. In addition, thanks to the phenomenon of genetic recombination, the position of various genes in chromosomes is described.
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Conrad Waddington defined the epigenetic science which is the study of the heretable changes in the genetic expression by the environment.
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The Hershey and Chase experiment shows that genetic information from all organisms resides in DNA.
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Rosalind Franklin discovers the double helix DNA structure thanks to the X- ray, by using the photo 21.
James Watson and Francis Crick surprise the world with one of the most transcendental discoveries in the history of genetics.
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The Meselson-Stahl experiment shows that DNA is replicated in a semiconservative way.
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Lejeune discovers the cause of the Down syndrome, the copy of the 21st chromosome.
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Frederic Sanger develops the first DNA sequency method.
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Kary Mullis develops one of the first genetic tools.
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The first clonated animal was born, by using somatic cell nuclear transference.
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The human genome is finally completed, all the humans genes are sequenced.
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