Ferreiro_
Regular Member
Surprisingly, the R1b haplogroup is found in some black African tribes at high frequency. This is the case of the Hausa tribe of Sudan. The tribe reached 40.6% in a study of 32 samples, according to American Journal of Physical Anthropology.
http://en.wikipedia.org/wiki/Y-DNA_haplogroups_by_ethnic_groups
http://en.wikipedia.org/wiki/Y-DNA_haplogroups_by_ethnic_groups