Chapter

The Genetics and Evolutionary Consequences of Maternal Effects

James M. Cheverud and Jason B. Wolf

in Maternal Effects in Mammals

Published by University of Chicago Press

Published in print June 2009 | ISBN: 9780226501192
Published online February 2013 | e-ISBN: 9780226501222 | DOI: http://dx.doi.org/10.7208/chicago/9780226501222.003.0002
The Genetics and Evolutionary Consequences of Maternal Effects

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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

Chapter.  10754 words.  Illustrated.

Subjects: Animal Behaviour and Behavioural Ecology

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