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When was the first correlation between a chromosomal deletion and human disorder first developed?(a) 1963(b) 1973(c) 1983(d) 1993 |
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Answer» Right choice is (a) 1963 The explanation is: The first correlation between a chromosomal deletion and a human disorder was first discovered in 1963 by Jerome Lejeune, a French geneticist who had earlier discovered the chromosomal basis of Down syndrome. |
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