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Maternal Effects in Mammals$
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Dario Maestripieri and Jill M. Mateo

Print publication date: 2009

Print ISBN-13: 9780226501192

Published to Chicago Scholarship Online: February 2013

DOI: 10.7208/chicago/9780226501222.001.0001

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The Genetics and Evolutionary Consequences of Maternal Effects

The Genetics and Evolutionary Consequences of Maternal Effects

Chapter:
(p.11) 2 The Genetics and Evolutionary Consequences of Maternal Effects
Source:
Maternal Effects in Mammals
Author(s):

James M. Cheverud

Jason B. Wolf

Publisher:
University of Chicago Press
DOI:10.7208/chicago/9780226501222.003.0002

This chapter examines the influence of maternal effects on genetics and evolution. It defines maternal effects as the effects of the environment provided by the mother on the development of her offspring and describes how variation in these maternal environments can be caused by maternal genes and ambient environments. This chapter analyzes genetic models that describe genotype-phenotype relationships and expected evolutionary response in the presence of maternal effects and argues that these models show that evolution can be expected to proceed in the opposite direction of natural selection when the genetic covariance between maternal and direct effects is strongly negative.

Keywords:   maternal effects, genetics, evolution, genetic models, natural selection, genetic covariance, maternal environments

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