Genetic dissimilarity, genetic diversity, and mate preferences in humans

@article{Lie2010GeneticDG,
  title={Genetic dissimilarity, genetic diversity, and mate preferences in humans},
  author={Hanne Cathrine Lie and Leigh W. Simmons and Gillian Rhodes},
  journal={Evolution and Human Behavior},
  year={2010},
  volume={31},
  pages={48-58}
}
The role of genetic diversity in human sexual selection : is the MHC special?
TLDR
The findings indicate that faces contain visual cues to mate quality in both males and females, providing support for evolutionary theories that the authors' preferences are adaptations for identifying mates of high quality.
The hidden benefits of sex: Evidence for MHC‐associated mate choice in primate societies
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  • Biology, Psychology
    BioEssays : news and reviews in molecular, cellular and developmental biology
  • 2010
TLDR
Novel findings rehabilitate the importance of olfactory cues in signalling MHC genes and influencing primate mating decisions and underline the importance to females of selecting a sexual partner of high genetic quality, as well as the generality of the role of M HC genes in sexual selection.
Examining the evidence for major histocompatibility complex-dependent mate selection in humans and nonhuman primates
Compounds of the major histocompatibility complex (MHC) are integral for effec- tive vertebrate adaptive immune response, and are also implicated as cues for sexual selection. The evidence for this
MHC‐dependent mate choice in humans: Why genomic patterns from the HapMap European American dataset support the hypothesis
  • R. Laurent, R. Chaix
  • Biology
    BioEssays : news and reviews in molecular, cellular and developmental biology
  • 2012
TLDR
It is shown here that the MHC dissimilarity among HapMap 3 European American spouses is still extreme in comparison to the rest of the genome, even after multiple testing correction, which supports the hypothesis of MHC‐dependent mate choice in some human populations.
MHC class IIβ diversity as a correlate of neutral-locus similarity and diversity, and a predictor of overwinter return, in song sparrows (Melospiza melodia)
TLDR
It is found that measures of neutral and adaptive genetic diversity provide complementary rather than redundant information, and MHC diversity did not predict overwinter return rates (interpreted as survivorship), but age cohort comparisons showed that adults were more MHC-diverse than nestlings in one of the two years examined.
Evidence for Genetic Variation in Human Mate Preferences for Sexually Dimorphic Physical Traits
TLDR
In a large sample of twins, forced-choice, dichotomous mate preferences for height, skin colour, hair colour and length, chest hair, facial hair, and breast size are assessed.
Genetic incompatibility drives mate choice in a parasitic wasp
TLDR
It is shown that in the monogamous parasitic wasp Bracon brevicornis (Wesmael), females are able to reject partners with incompatible alleles and this demonstrates the strong potential of female mate choice for maintaining high offspring fitness in this species.
No evidence for a relationship between MHC heterozygosity and life history strategy in a sample of North American undergraduates
TLDR
Contrary to preregistered predictions and to previously published findings, MHC heterozygosity was not related to any of the psychological life history-relevant variables measured and no meaningful effects emerged when analysing women and men separately.
How Do Females’ Genetic Characteristics Influence Male Mate Preference in the Terrestrial Isopod Armadillidium vulgare?
TLDR
The results show potential inbreeding avoidance according to the genetic characteristics of females presented to males, and it is suggested that male preferences may only be detectable when the difference between females’ genetic characteristics is large enough.
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References

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Analysis of genome-wide genotype data and HLA types in African and European American couples to test whether humans tend to choose MHC-dissimilar mates supports the hypothesis that the MHC influences mate choice in some human populations.
MHC-correlated mate choice in humans: A review
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The evidence for MHC-dependent mating preferences from recent studies is reviewed, including studies on the underlying olfactory mechanisms and evolutionary functions, and other ways that MHC genes might influence sexual selection are discussed.
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It is proposed that MHC‐dependent mating preferences enable hosts to provide a “moving target” against rapidly evolving parasites that escape immune recognition (the Red Queen hypothesis) and may also function to avoid inbreeding.
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As in animal studies, the authors are only just beginning to understand how preferences for specific traits vary and inter-relate, how consideration of good and compatible genes can lead to substantial variability in individual mate choice decisions and how preferences expressed in one sensory modality may reflect those in another.
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The results of this study are consistent with the conclusion that Hutterite mate choice is influenced by HLA haplotypes, with an avoidance of spouses with haplotypes that are the same as one's own.
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The results suggest that mate choice evolves in response to (i) benefits in terms of parasite resistance acquired from allelic diversity, and (ii) costs associated with the disruption of co-adapted genes.
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TLDR
Evidence is found that mate choice is predicted in the first place by the ‘good-genes-as-heterozygosity hypothesis’ whereas the occurrence of extra-pair matings supports the “dissassortative mating hypothesis”.
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