The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.
Inbreeding depression and genetic load of sexually selected traits: how the guppy lost its spots
Abstract
To date, few studies have investigated the effects of inbreeding on sexually selected traits, although inbreeding depression on such traits can play an important role in the evolution and ecology of wild populations. Sexually selected traits such as ornamentation and courtship behaviour may not be primary fitness characters, but selection and dominance coefficients of their mutations will resemble those of traits under natural selection. Strong directional selection, for instance, through female mate-choice, purges all but the most recessive deleterious mutations, and the remaining dominance variation will result in inbreeding depression once populations undergo bottlenecks. We analysed the effects of inbreeding on sexually selected traits (colour pattern and courtship behaviour) in the male guppy, Poecilia reticulata, from Trinidad, and found a significant decline in the frequency of mating behaviour and colour spots. Such effects occurred although the genetic basis of these traits, many of which are Y-linked and hemizygous, would be expected to leave relatively little scope for inbreeding depression. Findings suggest that these sexually selected traits could reflect the genetic condition or health of males, and thus may be informative mate-cue characters for female choice as suggested by the ‘good genes’ model.
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“It has, indeed, been shown that sexual signals were inbreeding-dependent in studies on fish and invertebrates [18–21].”
From ‘Out of tune’: consequences of inbreeding on bird song (2016) · cites this paper as [21]
Citations
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Cotton, S., Fowler, K., & Pomiankowski, A. (2004) · Proceedings of the Royal Society of London. Series B: Biological Sciences · doi:10.1098/rspb.2004.2688 · Cited by 625
Genic capture and resolving the lek paradox
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Metadata
- Authors
- Van Oosterhout, C., Trigg, R. E., Carvalho, G. R., Magurran, A. E., Hauser, L., & Shaw, P. W.
- Affiliations
- University of Hull (GB)
- University of St Andrews (GB)
- University of Washington (US)
- Royal Holloway University of London (GB)
- Corresponding author
- Van Oosterhout, C.
- Venue
- Journal of Evolutionary Biology
- Publisher
- Oxford University Press (OUP)
- Published
- 2003-03-01
- Volume
- 16
- Issue
- 2
- Pages
- 273-281
- ISSN
- 1010-061X (ISSN-L)
- 1420-9101
- OpenAlex
- W1702151281
- Cited by
- 151
- References
- 52
- Citations by year
- 2026: 5 · 2025: 4 · 2024: 3 · 2023: 3 · 2022: 2 · 2021: 3 · 2020: 2 · 2019: 6 · 2018: 4 · 2017: 5 · 2016: 6 · 2015: 12 · 2014: 9 · 2013: 9 · 2012: 3
- FWCI
- 5.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Journal of Evolutionary Biology (publishedVersion)
- PubMed (publishedVersion)
- UEA Digital Repository (University of East Anglia) (submittedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
- Keywords
- inbreeding depression, genetic load, sexually selected traits, Poecilia reticulata, color pattern, courtship behavior, female mate choice, good genes hypothesis, deleterious mutations, population bottleneck, sexual ornamentation
- MeSH terms
- Animals, Female, Inbreeding, Genetic Linkage, Male, Models, Genetic, Pigmentation, Poecilia, Selection, Genetic, Sexual Behavior, Animal, Trinidad and Tobago, Genetic Load
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