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ShareApr. 27, 2011 — What factors influence our choice of a mate? Is it our genes? Does a man look for someone like his mother and a woman someone her father? None of the above, according to a study of Australian twins.
Researchers from the University of Queensland found that for traits including body size, personality, age, social attitudes, and religiosity, identical twins did not tend to have similar spouses, after accounting for the fact that spouse pairs (and twins pairs) themselves tend to be similar.
The results suggest that genes don't have much direct influence on mate choice for these traits.
As for whether people choose a mate like their opposite-sex parent, that doesn't appear to be the case either.
A twin's spouse was much more similar to the twin and co-twin than the twin's opposite-sex parent.
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Story Source:
The above story is reprinted from materials provided by University of Chicago Press Journals, via EurekAlert!, a service of AAAS.
Note: Materials may be edited for content and length. For further information, please contact the source cited above.
Journal Reference:
- Brendan P. Zietsch, Karin J. H. Verweij, Andrew C. Heath, Nicholas G. Martin. Variation in Human Mate Choice: Simultaneously Investigating Heritability, Parental Influence, Sexual Imprinting, and Assortative Mating. The American Naturalist, 2011; 177 (5): 605 DOI: 10.1086/659629
Note: If no author is given, the source is cited instead.
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