Philopatry, Inbreeding, and the Evolution of Sex

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SUNY Press, Jan 1, 1982 - Science - 245 pages
In this comprehensive synthesis, William M. Shields introduces a provocative new hypothesis linking the previously disconnected topics of philopatry, inbreeding, and sex. Shields draws widely from theory and data in genetics, ecology, and behavior in exploring the evolutionary causes and consequences of philopatric (localized) and vagrant dispersal, inbreeding and outbreeding mating systems, and asexual and sexual reproduction. His resulting hypothesis, that philopatry evolved because it increases inbreeding intensity and that inbreeding has survival value, has profound implications for the future study of evolutionary theory.
 

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Contents

Dispersal and Inbreeding
6
The Relativity of Relatedness and Inbreeding
29
The Disadvantages of Inbreeding
50
Coadaptation
66
Paradox Lost?
103
Predictions
139
Population Structure
173
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About the author (1982)

William M. Shields is Assistant Professor of Biology at the State University of New York College of Environmental Science and Forestry. He has written and lectured extensively on topics relating to behavioral ecology and sociobiology, with special emphasis on the interface between genetics and behavior and ecology.

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