Pseudo Science by Henry Louis Gates
...simply glancing at these statistics reveals that virtually none of the African Americans tested by these DNA companies is inferred to be 100 percent sub-Saharan African, although each company has analyzed Africans and African immigrants who did test 100 percent sub-Saharan in origin.
http://www.theroot.com/articles/history/20...
http://www.theroot.com/articles/history/20...
