Quote: (03-28-2014 03:27 PM)Sharky Jackson Wrote:
Quote: (03-28-2014 03:20 PM)Samseau Wrote:
Not true at all. The "back to Africa" theory has been discredited just recently with the discovery of humans in Great Britian dating back over 1 million years.
http://www.independent.co.uk/news/scienc...14151.html
Two logical holes in your theory...
1. The genetic lineage of all humans traces back to Africa.
2. There is no way to determine the "race" of the British footprints. They may very well have been those of a Black African.
Look at this link:
http://www.nationalgeographic.com/xpedit...groupA.pdf
Please explain to me how they know the mitochondrial eve came from Africa? There's no explanation given, other than the fact that it was determined only in 1987 there even was a mitochondrial eve. Back in 1987, the oldest human fossils belonged in Africa so they assumed mitochondrial eve comes from Africa.
Bad logic, because it assumes the fossils were reliable. As we have learned from the footprints found in Britain dating back nearly a million years, our fossil record sucks.
Finally, even if DNA can be traced back to Africa on the mother's side, we still don't know where the fathers are coming from. The fact that they can only trace DNA back 200K years shows how incomplete our picture of humanity's evolution truly is. It is still entirely possible that today's humans are the result of an interesting crossbreed of many types of humans that took place over millions of years.
Furthermore, we don't know how intelligent the predecessors to modern humans were. We don't know their physical characteristics, such as race, either. What if there were an ancient race of humans far more advanced than we are today?
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