The results, published in the American Journal of Human Genetics, revealed that almost 4% of participants who identify as white have 'hidden' African ancestry. Our 'hidden' African ancestries. Population genetics scientists from institutions including Harvard University analyzed DNA from thousands of Americans who described themselves as being part of a singular racial group. A study offers yet more evidence that race is no more than a social construct. In fact, millions of Americans who consider themselves white actually have mixed-race roots. As it turns out, many white people may not be so 'white' after all.
