Maize Genetics Research By Barbara #2 Photograph by Science Source

Maize Genetics Research By Barbara #2

by Science Source

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Title

Maize Genetics Research By Barbara #2

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Science Source

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Labelled specimen of a cob of the crop maize (Zea mays) that has been bred as part of research into plant genetics by Barbara McClintock, 1978. Genetic variation occurs in cob shape, size, and kernel colors and patterns. Barbara McClintock (1902-1992) was an American cytogeneticist who did groundbreaking research on the phenomenon of how genes in chromosomes could "move" during the breeding of maize plants. She developed theories to explain the suppression or expression of genetic information from one generation of maize plants to the next that defied the common wisdom of molecular biology prevalent during the 1950s. In 1983, she received the Nobel Prize for her work on "mobile genetic elements." McClintock was the first woman to receive an unshared Nobel Prize in that category.

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January 13th, 2021

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