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Barbara McClintock (June 16, 1902 – September 2, 1992) was an American scientist and cytogeneticist who was awarded the 1983 Nobel Prize in Physiology or Medicine. McClintock received her PhD in botany from Cornell University in 1927.
Jun 12, 2024 · Barbara McClintock (born June 16, 1902, Hartford, Connecticut, U.S.—died September 2, 1992, Huntington, New York) was an American scientist whose discovery in the 1940s and ’50s of mobile genetic elements, or “ jumping genes,” won her the Nobel Prize for Physiology or Medicine in 1983.
- The Editors of Encyclopaedia Britannica
Throughout her career, Barbara McClintock studied the cytogenetics of maize, making discoveries so far beyond the understanding of the time that other scientists essentially ignored her work for more than a decade. But she persisted, trusting herself and the evidence under her microscope.
Learn how McClintock used maize as a model organism to study cytogenetics and discover transposable elements, or "jumping genes," that can alter the genome. Explore the Ac/Ds system, the experimental methods, and the challenges of her groundbreaking research.
Sep 2, 1992 · Learn about McClintock's discoveries in maize, such as the first proof of gene position on chromosomes and the existence of mobile genetic elements. Find out why she waited until 1983 to receive the Nobel Prize and what she contributed to epigenetics.
Barbara McClintock was an American geneticist who discovered mobile genetic elements and their effects on heredity. She studied corn's hereditary characteristics and chromosome changes, and was the first woman to win the Nobel Prize in Physiology or Medicine.
Learn how McClintock discovered transposable elements, or "jumping genes," in corn and how her work shaped modern genetics. See the historic microscope and other objects she used to study the genome.
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