henry, sir morgan

Science Dictionary
Morgan   (môr'gən)  Pronunciation Key 
American zoologist whose experiments with fruit flies demonstrated that hereditary traits are carried by genes on chromosomes and that traits can cross over from one chromosome to another. He was awarded the Nobel Prize for physiology or medicine in 1933.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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