Evidence for genetic variation in human mate preferences for sexually dimorphic physical traits.
other · Level V
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- Record sourced from PubMed, PMID 23166631.
- Also identified by DOI 10.1371/journal.pone.0049294 and PMC identifier PMC3228846.
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Abstract
Intersexual selection has been proposed as an important force in shaping a number of morphological traits that differ between human populations and/or between the sexes. Important to these accounts is the source of mate preferences for such traits, but this has not been investigated. In a large sample of twins, we assess forced-choice, dichotomous mate preferences for height, skin colour, hair colour and length, chest hair, facial hair, and breast size. Across the traits, identical twins reported more similar preferences than nonidentical twins, suggesting genetic effects. However, the relative magnitude of estimated genetic and environmental effects differed greatly and significantly between different trait preferences, with heritability estimates ranging from zero to 57%.