BARBARA MCCLINTOCK

Barbara McClintock

McClintock was an American geneticist. In the 1940s and 50s, her experiments with variations in the coloration of kernels of maize revealed that genes are not stationary, but can “jump” on the chromosome. She isolated two control elements in genetic material and found not only that they moved, but also that their transposition affected the behavior of neighboring genes. In 1983, she was belatedly awarded a Nobel Prize in Physiology. Why did she stop publishing her findings in the 50s? More… Discuss

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