European (blue), African (green) and Native American (red) Y chromosome ancestry estimates in Brazilian admixed populations, obtained after adding all lineages from the same continental source and exclude those of unknown origin (which is the case of haplogroup E1b1b-M78). doi:10.1371/journal.pone.0152573.g001 Distribution of mtDNA haplogroups in Northeastern Brazil distributed according to each investigated state. Amerindian haplogroups in shades of green; Non-Amerindian Asian haplogroups in shades of gray; African haplogroups in shades of orange; European haplogroups in shades of blue
