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Isolated the first crude preparation of DNA, named nuclein.
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Established the chromosomal theory of inheritance.
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Discovered fundamental laws of inheritance through his work with pea plants, he deduced that genes come in pairs
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Did pioneer work in plant genetics and determined the mechanism for transportation in corn.
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Showed that x-rays can induce mutations
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Showed that Fred Griffiths “transforming principle”was DNA.
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Isolated DNA from different organisms & measured the levels of each of the four nigrogeneous bases.
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Produced the x-ray crystallograpy pictures of BDNA
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Studied bateriophage genetics
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Came up with the double helix structure & proposed the central dogma and adaptor hypothesis
