The politics controlling science also troubles me. When it comes to genetic ancestral research & mapping, I don’t put much faith even in the raw data.
From my understanding, Africans have a DNA marker that is unique to them, not found in any other race.
So if we all came from Africa, why doesn’t everyone on Earth have that same marker?
My theory is that modern human existence began elsewhere and migrated to Africa. Perhaps to escape the encroaching ice ages or some other natural disaster.
To muddle your brain, mine and others who dare to ask, “How much pc crap is involved in the African DNA and some other DNA’s, please take a minute to read my reply to muddy the DNA water even more.
http://freerepublic.com/focus/chat/3808053/posts?page=30#30