Haplogroup D (Y-DNA)
In human genetics, Haplogroup D-M174 is a Y-chromosome haplogroup. Both D-M174 and E lineages also exhibit the single-nucleotide polymorphism M168 which is present in all Y-chromosome haplogroups except A and B, as well as the YAP unique-event polymorphism, which is unique to Haplogroup DE.
Read more about Haplogroup D (Y-DNA): Origins, Overview, Distribution