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Parental preferences for the facial traits of their offspring's partners can enhance parental inclusive fitness

Lefevre, CE; Saxton, TK; (2017) Parental preferences for the facial traits of their offspring's partners can enhance parental inclusive fitness. Evolution and Human Behavior , 38 (4) pp. 546-551. 10.1016/j.evolhumbehav.2017.01.006. Green open access

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Abstract

Physical appearance provides a wealth of information concerning an individual's biological fitness and reproductive quality, but we do not know whether parents make use of this information when evaluating potential partners for their offspring. This is critical to our understanding of human mate choice, because parents frequently influence their offspring's mating decisions, either directly, for instance through arranged marriages, or indirectly, through manipulating their offspring's partner choice. Here, we used facial images that varied in attractiveness, masculinity, health, and symmetry to assess both reproductively-aged daughters' and their parents' preferences in potential mates for the daughters. In line with our predictions, both daughters and their parents had clear preferences for markers of genetic quality, although the daughters showed significantly stronger preferences for these markers than their parents. Contrary to previous research, parents and daughters did not have stronger preferences for markers of genetic quality if they perceived the daughter to be more attractive. Parents' preferences for the facial markers of genetic quality in their offspring's partner may help maximize inclusive fitness.

Type: Article
Title: Parental preferences for the facial traits of their offspring's partners can enhance parental inclusive fitness
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.evolhumbehav.2017.01.006
Publisher version: http://dx.doi.org/10.1016/j.evolhumbehav.2017.01.0...
Language: English
Additional information: © 2017 Elsevier Inc.This manuscript version is made available under a Creative Commons Attribution Non-commercial Non-derivative 4.0 International license (CC BY-NC-ND 4.0). This license allows you to share, copy, distribute and transmit the work for personal and non-commercial use providing author and publisher attribution is clearly stated. Further details about CC BY licenses are available at https://creativecommons.org/licenses/. Access may be initially restricted by the publisher.
Keywords: Mate choice; Parental investment; Parent–Offspring conflict; Face preferences; Inclusive fitness
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Clinical, Edu and Hlth Psychology
URI: https://discovery-pp.ucl.ac.uk/id/eprint/1544153
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