Africans have more genetic variation than anyone else on Earth, according to a new study that helps narrow the location where humans first evolved, probably near the South Africa-Namibia border.This seems like another nail in the multiregional model of modern human origins. I need to see the study.
The largest study of African genetics ever undertaken also found that nearly three-fourths of African-Americans can trace their ancestry to West Africa.
The new analysis published Thursday in the online edition of the journal Science.
"Given the fact that modern humans arose in Africa, they have had time to accumulate dramatic changes" in their genes, explained lead researcher Sarah Tishkoff, a geneticist at the University of Pennsylvania.
People have been adapting to very diverse environmental niches in Africa, she explained in a briefing.
Friday, May 01, 2009
Out of Africa Again
A story in Foxnews from the AP reports of a study in which it was found that Africans have the most genetic variability of any continental group studied. They write: