(UPI) People mysteriously marry those with similar ancestry,
Specifically, [the researchers] find Mexicans mate according to proportions of Native American to European ancestry, while Puerto Ricans are more likely to settle down with someone carrying a similar mix of African and European genes.
Not only are there similar ancestry patterns between spouses, an imprint of many non-random associations of genes between original ancestral populations is found within the genomic architecture within each individual.
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