Parental sex discrimination and intralocus sexual conflict

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Parental sex discrimination and intralocus sexual conflict

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Title: Parental sex discrimination and intralocus sexual conflict
Author: Patten, Manus Michael; Haig, David Addison

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Citation: Patten, Michael M. and David Haig. 2009. Parental sex discrimination and intralocus sexual conflict. Biology Letters 5(5): 667-670.
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Abstract: Intralocus sexual conflict occurs when populations segregate for alleles with opposing fitness consequences in the two sexes. This form of selection is known to be capable of maintaining genetic and fitness variation in nature, the extent of which is sensitive to the underlying genetics. We present a one-locus model of a haploid maternal effect that has sexually antagonistic consequences for offspring. The evolutionary dynamics of these maternal effects are distinct from those of haploid direct effects under sexual antagonism because the relevant genes are expressed only in females. Despite this, we find the same opportunity for sexually antagonistic polymorphism at the maternal effect locus as at a direct effect locus. Thus, sexually antagonistic maternal effects may underlie some natural genetic variation. The model we present permits alternative interpretations of how the genes are expressed and how the fitness variation is assigned, which invites a theoretical comparison to models of both imprinted genes and sex allocation.
Published Version: doi:10.1098/rsbl.2009.0230
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/pmc2781949/
https://oeb.harvard.edu/faculty/haig/Publications_files/08Patten_BioLet.pdf
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:32116898
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