What is meant here is "most divergent" genetics, but that sounds potentially loaded and less nice than "oldest". See also the genetics of the San people here:

What is meant here is "most divergent" genetics, but that sounds potentially loaded and less nice than "oldest". See also the genetics of the San people here: https://en.wikipedia.org/wiki/San_people#Genetics https://en.wikipedia.org/wiki/San_people#Genetics