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| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
| McClintock, Barbara |
| 1902–92, American geneticist. She discovered that certain genetic material, “transposable elements,” shifted its location in the chromosomes from generation to generation. At first ignored, her research was later recognized as a major contribution to DNA research. In 1983 she was awarded the Nobel Prize in Physiology or Medicine. |
| The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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