| history shaped the geographic distribution of genomic admixture on the island of puerto rico. | contemporary genetic variation among latin americans human groups reflects population migrations shaped by complex historical, social and economic factors. consequently, admixture patterns may vary by geographic regions ranging from countries to neighborhoods. we examined the geographic variation of admixture across the island of puerto rico and the degree to which it could be explained by historic and social events. we analyzed a census-based sample of 642 puerto rican individuals that were gen ... | 2011 | 21304981 |