Offspring production among the extended relatives of Samoan men and fa'afafine

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dc.contributor.authorVanderLaan, Doug P.
dc.contributor.authorForrester, Deanna Lee
dc.contributor.authorPetterson, Lanna J.
dc.contributor.authorVasey, Paul L.
dc.date.accessioned2017-04-07T20:48:12Z
dc.date.available2017-04-07T20:48:12Z
dc.date.issued2012
dc.descriptionSherpa Romeo green journal; open accessen_US
dc.description.abstractAndrophilia refers to sexual attraction to adult males, whereas gynephilia refers to sexual attraction to adult females. Male androphilia is an evolutionary paradox. Its development is at least partially influenced by genetic factors, yet male androphiles exhibit lower reproductive output, thus raising the question of how genetic factors underlying its development persist. The sexual antagonism hypothesis posits that the fitness costs associated with genetic factors underlying male androphilia are offset because these same factors lead to elevated reproduction on the part of the female relatives of androphilic males. Western samples drawn from low fertility populations have yielded inconsistent results when testing this hypothesis. Some studies documented elevated reproduction among the matrilineal female kin of androphilic males, whereas others found such effects in the paternal line. Samoa is a high-fertility population in which individuals reproduce closer to their maximum capacities. This study compared the reproductive output of the paternal and maternal line grandmothers, aunts, and uncles of 86 Samoan androphilic males, known locally as fa’afafine, and 86 Samoan gynephilic males. Reproductive output was elevated in the paternal and maternal line grandmothers, but not aunts or uncles, of fa’afafine. These findings are consistent with the sexual antagonism hypothesis and suggest that male androphilia is associated with elevated reproduction among extended relatives in both the maternal and paternal line. Discussion focuses on how this study, in conjunction with the broader literature, informs various models for the evolution of male androphilia via elevated reproduction on the part of female kin.en_US
dc.description.peer-reviewYesen_US
dc.identifier.citationVanderLaan, D.P., Forrester, D.L., Petterson, L.P., & Vasey, P.L. (2012). Offspring production among the extended relatives of Samoan men and fa'afafine. PLoS ONE, 7(4): e36088. doi:10.1371/journal.pone.0036088en_US
dc.identifier.urihttps://hdl.handle.net/10133/4825
dc.language.isoen_USen_US
dc.publisherPublic Library of Scienceen_US
dc.publisher.departmentDepartment of Psychologyen_US
dc.publisher.facultyArts and Scienceen_US
dc.publisher.institutionUniversity of Lethbridgeen_US
dc.subjectSamoan menen_US
dc.subjectAndrophiliaen_US
dc.subjectGynephiliaen_US
dc.subjectFa'afafineen_US
dc.subjectReproductive outputen_US
dc.subjectSexual antagonismen_US
dc.subject.lcshSex role--Samoa
dc.subject.lcshSex customs--Samoa
dc.subject.lcshGender identity--Samoa
dc.subject.lcshTransgender people--Samoa
dc.titleOffspring production among the extended relatives of Samoan men and fa'afafineen_US
dc.typeArticleen_US
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