There is no doubt that most of the genetic differences between humans and other apes — and between different human populations — are due to genetic drift. (newscientist.com)
And contrary to long held belief, it seems golden hair hasn't simply been introduced across the globe by travelling tow heads, but instead evolved separately in different human populations. (newscientist.com)
«We're interested in understanding the historical relationships between many different human populations, and the migration patterns that have led to the peopling of the world,» he says. (sciencedaily.com)