Haplogroup O1 (Y-DNA)
In human genetics, Haplogroup O-MSY2.2 is a Y-chromosome DNA haplogroup. Haplogroup O-MSY2.2 is a descendant branch of the greater Haplogroup O-M175. The great majority of Y-chromosomes within Haplogroup O-MSY2.2 belong to its O-M119 subclade.
Read more about Haplogroup O1 (Y-DNA): Origins, Distribution