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Maze genetics research by McClintock, 1978

Maze genetics research by McClintock, 1978

C047/3952

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30.5 MB (4.6 MB compressed)

4024 x 2646 pixels

34.0 x 22.4 cm ⏐ 13.4 x 8.8 in (300dpi)

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Credit

AMERICAN PHILOSOPHICAL SOCIETY / SCIENCE PHOTO LIBRARY AMERICAN PHILOSOPHICAL SOCIETY / SCIENCE PHOTO LIBRARY

Caption

Maze genetics research by McClintock, 1978. Labelled specimen of a cob of the crop maize (Zea mays) that has been bred as part of research into plant genetics by US geneticist Barbara McClintock (1902-1992). The specimens show genetic variation in the cob shape, size and kernel colours and patterns. McClintock worked at the Carnegie Institution at Cold Spring Harbor, New York, USA. She is most famous for her work in the 1940s and 1950s on the genetics of maize. She discovered the moving of genes in chromosomes, by observing patterns of kernel colouration. She named these genes transposable elements. In 1983 she received the Nobel Prize in Physiology or Medicine for her work on mobile genetic elements. Photographed in 1978.

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