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Beadle, George Wells (1903–1989)




George Wells Beadle
American geneticist. During his study mutations in the bread mold Neurospora crassa, he and Edward Tatum found that genes are responsible for the synthesis of enzymes and that these enzymes control each step of all biochemical reactions occurring in an organism. For this discovery they shared with Joshua Lederberg the 1958 Nobel Prize in Physiology or Medicine.


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   • BIOLOGISTS