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Mitonuclear Ecology$
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Geoffrey E. Hill

Print publication date: 2019

Print ISBN-13: 9780198818250

Published to Oxford Scholarship Online: June 2019

DOI: 10.1093/oso/9780198818250.001.0001

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Mitonuclear mate choice

Mitonuclear mate choice

Chapter:
(p.179) 8 Mitonuclear mate choice
Source:
Mitonuclear Ecology
Author(s):

Geoffrey E. Hill

Publisher:
Oxford University Press
DOI:10.1093/oso/9780198818250.003.0008

At each new generation, sexual reproduction creates new combinations of nuclear and mitochondrial genes, and the potential arises for mitonuclear incompatibilities and reduced fitness. Sexual selection plays a key role in maintaining mitonuclear coadaptation across generations because it enables pre-zygotic sorting for coadapted mitonuclear genotypes. In this chapter, I present data that individuals engaged in mate choice select partners with correct species-typical mitochondrial and nuclear genotypes as well as individuals with highly functional cellular respiration. The implication is that mate choice for compatible nuclear and mitochondrial genes can play a significant role in generating the patterns of ornamentation and preferences observed in animals.

Keywords:   Sexual selection, good genes model, indicator model, species recognition, reinforcement, barcode gap, ornamentation gap, pre-zygotic selection, post-zygotic selection, genetic linkage

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