Sewall Wright Guide, Meaning , Facts, Information and Description
Sewall Green Wright (
December 21,
1889 -
March 3,
1988) was one of the primary founders of
population genetics which led to the
modern evolutionary synthesis. In a long career, he invented much of the theory of
genetic drift (also known as the "Sewall Wright effect") and developed the inbreeding coefficient and many of its applications.
Wright was the developer of adaptive surfaces (
fitness landscapes), and he emphasized the importance of the interaction of genetic drift and
natural selection in determining the outcome of
evolution. He analogized natural selection to processes in animal and plant breeding, and his work on population genetics theory greatly influenced Jay Lush, who did the pioneering work on use of
quantitative genetics in animal and plant breeding. He was born in
Galesburg, Illinois. His career was spent at the
United States Department of Agriculture (1915-1925), the
University of Chicago (1926-1955), and the
University of Wisconsin (1955-1988). Wright also did extensive breeding experiments with
guinea pigs, and appreciated by
1917 that genes controlled the production of enzymes. Many of his Ph.D. students became important figures in the development of
mammalian genetics.
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