"In other words, ''white people'' do not share a common genetic heritage; instead, they come from different lineages that migrated from Africa and Asia. Such mixing is true for every race. ''All living humans go back to one common ancestor in Africa,'' explains Paabo. ''But if you look at any history subsequent to that,'' then every group is a blend of shallower pedigrees. So, he says, ''I might be closer in my DNA to an African than to another European in the street.'' Genetics, he concludes, ''should be the last nail in the coffin for racism.''

What DNA Says About Human Ancestry—and Bigotry
Part 3,

RaceSci: History of Race in Science: In Media: What DNA Says About Human Ancestry - and Bigotry

We're all from Africa.