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Women in STEM: Barbara McClintock

Barbara McClintockBarbara McClintock (1902-1992) was the geneticist who discovered transposition, which means that genes can move to different chromosomes. These were also known as "jumping genes," or transposons. She also discovered gene regulation - that "controlling elements" regulated the transposons. McClintock won the 1970 National Medal of Science and the 1983 Nobel in Physiology or Medicine.


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public domain photo from Smithsonian Archives; SIA Acc. 90-105 [SIA2008-5609]