Barbara McClintock
Scientist, Academic
1902 – 1992
Who was Barbara McClintock?
Barbara McClintock, was an American scientist and one of the world's most distinguished cytogeneticists, the 1983 Nobel Laureate in Physiology or Medicine. McClintock received her PhD in botany from Cornell University in 1927. There she started her career as the leader in the development of maize cytogenetics, the focus of her research for the rest of her life. From the late 1920s, McClintock studied chromosomes and how they change during reproduction in maize. Her work was groundbreaking; she developed the technique for visualizing maize chromosomes and used microscopic analysis to demonstrate many fundamental genetic ideas. One of those ideas was the notion of genetic recombination by crossing-over during meiosis—a mechanism by which chromosomes exchange information. She produced the first genetic map for maize, linking regions of the chromosome to physical traits. She demonstrated the role of the telomere and centromere, regions of the chromosome that are important in the conservation of genetic information. She was recognized among the best in the field, awarded prestigious fellowships, and elected a member of the National Academy of Sciences in 1944.
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- Born
- Jun 16, 1902
Hartford - Also known as
- Barbara. McClintock
- Nationality
- United States of America
- Profession
- Education
- Cornell University
- Erasmus Hall High School
- Cornell University College of Agriculture and Life Sciences
- PhD
- Employment
- University of Missouri–Columbia
- Cold Spring Harbor Laboratory
- Lived in
- Columbia
- Hartford
- Brooklyn
- Died
- Sep 2, 1992
Huntington
Submitted
on July 23, 2013
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