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Stanford Magazine (May/June 2007) asks, What’s the next step in human evolution?
Luigi “Luca” Cavalli-Sforza, professor emeritus of genetics, is a pioneer in “genetic geography,” a field that uses DNA to help understand human migration throughout history.
…A major genetic change which started already some centuries ago, with the navigation of the oceans, and is becoming faster now, is globalization. This is having major genetic consequences. It will bring back greater unity of the species, by diluting and eventually canceling differences among ethnic groups existing today, that are largely if not exclusively the consequence of adaptation to environments that differ most climatically to which modern humans spread in the last 50,000 years…
Sounds logical but its hard to establish the origins
to the earliest humans because of the distance in
time,vagaries in nature and the superiority or
otherwise inferiority of modern humans to accept
that they have had only one adam-eve parentage.