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assortative mating |
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assortative mating
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The researchers not only found similar ancestry patterns between the pairs of spouses, they also found the imprint of many generations of such assortative mating in the genomic architecture within each individual. The specific consequences of assortative mating are complex, but it can be generalized that if individuals preferentially mate according to phenotypic similarity (positive assortative mating), it will normally increase quantitative genetic variance and that negative assortative mating generally has the opposite effect (Conner & Hartl 2004). A body of literature on assortative mating indicates that couples tend to pair up on the basis of similarity along different dimensions (see Watson et al. |
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