Haplogroup U (mtDNA) - Wikipedia, the free encyclopedia
1 Origins 2 Distribution 3 Subclades 3.1 Haplogroup U1 3.2 Haplogroup U2 3.3 Haplogroup U3 3.4 Haplogroup U4 3.5 Haplogroup U5 3.6 Haplogroup U6 3.7 Haplogroup U7 ... Origins [edit] Haplogroup U descends from a woman in the Haplogroup R (mtDNA) branch ......