After learning about the founder effect (genetic variability increasing closer to Africa), I’m interested in knowing where, and which ethnic groups from Africa did humans from outside of Africa come from (Europeans, Asians, Native Americans etc.). Is this question even answerable? Thanks.
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This is a very big topic and even by researchers working on this hard to answer. From what we can tell humans evolved in the jungles in eastern Africa, from around modern day Etheopia to modern day South Africa. There were then several waves of emigrations from Africa into the other continents. But even between these waves there were lots of minor population movements and intermixing. So the modern day ethnicities did not exist, they were completely different. For this reason it is also very hard to track the exact movement of every single group. We can see how a few certain genes were able to move by seeing how they distribute in the modern population but even this is inaccurate.
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