Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/24610
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dc.contributor.authorDuthie, A Bradleyen_UK
dc.contributor.authorLee, Aline Men_UK
dc.contributor.authorReid, Jane Men_UK
dc.date.accessioned2017-01-13T01:04:38Z-
dc.date.available2017-01-13T01:04:38Z-
dc.date.issued2016-11-30en_UK
dc.identifier.other20161845en_UK
dc.identifier.urihttp://hdl.handle.net/1893/24610-
dc.description.abstractInbreeding increases parent-offspring relatedness and commonly reduces offspring viability, shaping selection on reproductive interactions involving relatives and associated parental investment (PI). Nevertheless, theories predicting selection for inbreeding versus inbreeding avoidance and selection for optimal PI have only been considered separately, precluding prediction of optimal PI and associated reproductive strategy given inbreeding. We unify inbreeding and PI theory, demonstrating that optimal PI increases when a female’s inbreeding decreases the viability of her offspring. Inbreeding females should therefore produce fewer offspring due to the fundamental trade-off between off-spring number and PI. Accordingly, selection for inbreeding versus inbreeding avoidance changes when females can adjust PI with the degree that they inbreed. In contrast, optimal PI does not depend on whether a focal female is herself inbred. However, inbreeding causes optimal PI to increase given strict monogamy and associated biparental investment compared to female-only investment. Our model implies that understanding evolutionary dynamics of inbreeding strategy, inbreeding depression, and PI requires joint consideration of the expression of each in relation to the other. Overall, we demonstrate that existing PI and inbreeding theories represent special cases of a more general theory, implying that intrinsic links between inbreeding and PI affect evolution of behaviour and intra-familial conflict.en_UK
dc.language.isoenen_UK
dc.publisherRoyal Societyen_UK
dc.relationDuthie AB, Lee A & Reid JM (2016) Inbreeding parents should invest more resources in fewer offspring, Proceedings of the Royal Society B: Biological Sciences, 283 (1843), Art. No.: 20161845. https://doi.org/10.1098/rspb.2016.1845.en_UK
dc.rights© 2016 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.en_UK
dc.subjectInbreedingen_UK
dc.subjectinclusive fitnessen_UK
dc.subjectmate choiceen_UK
dc.subjectparental investmenten_UK
dc.subjectrelatednessen_UK
dc.subjectreproductive strategyen_UK
dc.titleInbreeding parents should invest more resources in fewer offspringen_UK
dc.typeJournal Articleen_UK
dc.identifier.doi10.1098/rspb.2016.1845en_UK
dc.identifier.pmid27881747en_UK
dc.citation.jtitleProceedings of the Royal Society B: Biological Sciencesen_UK
dc.citation.issn1471-2954en_UK
dc.citation.issn0962-8452en_UK
dc.citation.volume283en_UK
dc.citation.issue1843en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.funderEuropean Research Councilen_UK
dc.author.emailalexander.duthie@stir.ac.uken_UK
dc.citation.date23/11/2016en_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationUniversity of Aberdeenen_UK
dc.contributor.affiliationUniversity of Aberdeenen_UK
dc.identifier.isi000390349900014en_UK
dc.identifier.scopusid2-s2.0-85000819052en_UK
dc.identifier.wtid544466en_UK
dc.contributor.orcid0000-0001-8343-4995en_UK
dc.date.accepted2016-10-24en_UK
dc.date.firstcompliantdepositdate2016-11-25en_UK
dc.description.refREF Compliant by Deposit in Stirling's Repositoryen_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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