Figure 1From: The history of the North African mitochondrial DNA haplogroup U6 gene flow into the African, Eurasian and American continents Surface maps, based on HVI frequencies (in o/oo), for total U6 (U6), total U6a (Tot U6a), U6a without 16189 (U6a), U6a with 16189 (U6a-189), U6b'd, U6c, U6b and U6d. Back to article page