Differential Male Genetic Success Determines Gene Flow in an Experimentally Manipulated Mouse Population

Sexual selection arises when genetically different males show heritable differences in reproductive success. Mouse mating behaviour involves both male competition and female choice. In this paper we show that introduced Y-linked DNA markers spread more extensively through a natural population than d...

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Bibliographic Details
Published in:Proceedings of the Royal Society. B, Biological sciences Biological sciences, 1995-06, Vol.260 (1359), p.251-256
Main Authors: Jones, Catherine S., Noble, R. L., Jones, John Stephen, Tegelström, Hakan, Triggs, Graham S., Berry, R. J.
Format: Article
Language:English
Subjects:
Animals
Choice Behavior
DNA, Mitochondrial - genetics
Female
Gene flow
Genes
Genetics, Population
Male
Mating behavior
Mice
Mice - genetics
Mitochondria
Mitochondrial DNA
Population genetics
Reproductive success
Restriction Mapping
Sex chromosomes
Sexual Behavior, Animal
Y Chromosome
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Summary:Sexual selection arises when genetically different males show heritable differences in reproductive success. Mouse mating behaviour involves both male competition and female choice. In this paper we show that introduced Y-linked DNA markers spread more extensively through a natural population than do genes inherited matrilineally. Differences in mating success between the sexes and among individual males may alter the pattern and rate of gene flow in natural populations. Another interesting possibility is that the success of the introduced Y chromosome may be attributable to so-called ‘selfish’ traits, such as sex-linked meiotic drive or intra-uterine competition. However, this study provides little unequivocal evidence to support this view. Differential success of introduced versus resident males may have implications for the reintroduction of endangered mammals into residual wild populations.
ISSN:0962-8452
1471-2954
DOI:10.1098/rspb.1995.0088