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  1. en.wikipedia.org › wiki › Barbara_McClintockBarbara McClintock - Wikipedia

    She was recognized as among the best in the field, awarded prestigious fellowships, and elected a member of the National Academy of Sciences in 1944. During the 1940s and 1950s, McClintock discovered transposons and used it to demonstrate that genes are responsible for turning physical characteristics on and off.

  2. www.nature.com › scitable › topicpageBarbara McClintock and the Discovery of Jumping Genes ...

    Barbara McClintock began her scientific career at Cornell University, where she pioneered the study of cytogenetics-a new field in the 1930s-using maize as a model organism.

  3. www.ncbi.nlm.nih.gov › pmc › articlesBarbara McClintock and the discovery of jumping genes

    Dec 11, 2012 · In the late 1940s, Barbara McClintock challenged existing concepts of what genes were capable of when she discovered that some genes could be mobile. Her studies of chromosome breakage in maize led her to discover a chromosome-breaking locus that could change its position within a chromosome.

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  5. www.pnas.org › doi › 10Barbara McClintock and the discovery of jumping genes - PNAS

    Dec 10, 2012 · In the late 1940s, Barbara McClintock challenged existing concepts of what genes were capable of when she discovered that some genes could be mobile. Her studies of chromosome breakage in maize led her to discover a chromosome-breaking locus that could change its position within a chromosome.

  6. www.britannica.com › biography › Barbara-McClintockBarbara McClintock | Nobel Prize-Winning Geneticist

    Aug 29, 2024 · Barbara McClintock 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. McClintock, whose father was a physician, took great pleasure in science as a child and evidenced early the.

    • The Editors of Encyclopaedia Britannica

  7. embryo.asu.edu › pages › barbara-mcclintocks-transpoBarbara McClintock's Transposon Experiments in Maize (1931–1951)

    Feb 9, 2017 · Barbara McClintock conducted experiments on corn (Zea mays) in the United States in the mid-twentieth century to study the structure and function of the chromosomes in the cells. McClintock researched how genes combined in corn and proposed mechanisms for how those interactions are regulated.

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  9. www.nobelprize.org › stories › barbara-mcclintockThe Nobel Prize | Women who changed science | Barbara McClintock

    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.

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