Thomas Hunt Morgan (1866-1945),US geneticist. Morgan was born in Kentucky,and studied zoology at the State College. He then moved to Johns Hopkins University. His work in genetics is largely remembered for the use of the fruit fly Drosophila melanogaster,and for establishing many ideas in chromosome theory. It was Morgan who proved that the chromosome was the carrier of heredity,and that the chromosome consists of genes. He also discovered cross-over (the exchange of genes between chromosomes),and helped produce the first chromosome map. In 1933 he was awarded the Nobel Prize in Physiology or Medicine | |
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