| y-chromosome diversity in central portugal reveals signatures of ancient maritime expansions. | the genetic diversity of human populations in portugal results from several different demographic events that occurred in distinct prehistorical and historical periods. the main objective of this study was to examine if patterns of y-chromosome diversity explained by ancient maritime mediterranean expansions can be observed in coimbra district (central-west region of portugal). a total of 125 male dna samples were typed for 16 y-snps and eight y-strs using standard molecular methodologies. thirt ... | 2013 | 24620564 |