Mcclintock, Barbara - Research Article from Macmillan Science Library: Plant Sciences

Evelyn Fox Keller
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Career at Cornell

Awarded Cornell's graduate scholarship in botany for 1923-24, which supported her during the first year of her graduate studies, McClintock concentrated on cytology, genetics, and zoology. She received her master's degree (A.M.) in 1925 and a doctoral degree (Ph.D.) in 1927. Her master's thesis was a literature review of cytological investigations in cereals, with particular attention paid to wheat. In the summer of 1925, as a research assistant in botany, she discovered a corn plant that had three complete sets of chromosomes (a triploid). Then she independently applied a new technique for studying the chromosomes in the pollen of this plant and published these findings the following year. McClintock investigated the cytology and genetics of this unusual triploid plant for her dissertation.

Upon completing her doctorate in June 1927, McClintock became an instructor at Cornell and continued to pursue her studies on the triploid corn plant and...

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This section contains 1,399 words
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Macmillan Science Library: Plant Sciences
Mcclintock, Barbara from Macmillan Science Library: Plant Sciences. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.