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Paternal genome elimination promotes altruism in viscous populations

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Date
09/2022
Author
Hitchcock, Thomas
Gardner, Andy
Funder
NERC
European Research Council
Grant ID
NE/K009524/1
771387
Keywords
Paternal genome elimination
Haplodiploidy
Dispersal
Inbreeding
Social behaviour
Intragenomic conflict
QH301 Biology
T-DAS
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Abstract
Population viscosity has long been thought to promote the evolution of altruism. However, in the simplest scenarios, the potential for altruism is invariant with respect to dispersal—a surprising result that holds for haploidy, diploidy, and haplodiploidy (arrhenotoky). Here, we develop a kin-selection model to investigate how population viscosity affects the potential for altruism in species with male paternal genome elimination (PGE), exploring altruism enacted by both females and males, and both juveniles and adults. We find that (1) PGE promotes altruistic behaviors relative to the other inheritance systems, and to a degree that depends on the extent of paternal genome expression. (2) Under PGE, dispersal increases the potential for altruism in juveniles and decreases it in adults. (3) The genetics of PGE can lead to striking differences in sex-specific potentials for altruism, even in the absence of any sex differences in ecology.
Citation
Hitchcock , T & Gardner , A 2022 , ' Paternal genome elimination promotes altruism in viscous populations ' , Evolution , vol. 76 , no. 9 , pp. 2191-2198 . https://doi.org/10.1111/evo.14585
Publication
Evolution
Status
Peer reviewed
DOI
https://doi.org/10.1111/evo.14585
ISSN
0014-3820
Type
Journal article
Rights
Copyright © 2022 The Authors. Evolution published by Wiley Periodicals LLC on behalf of The Society for the Study of Evolution. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Description
T.J.H. is supported by a PhD scholarship funded by the School of Biology, University of St Andrews. A.G. is supported by a Natural Environment Research Council Independent Research Fellowship (grant no. NE/K009524/1) and a European Research Council Consolidator (grant no. 771387).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/25789

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