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Q&A How long would it take for segregate human populations to speciate to a point where they could not interbreed?

Coming from an earlier asked question, I was wondering how long it would take (potentially a range) for two human populations that are separated from each other to speciate enough that they would n...

2 answers  ·  posted 5y ago by Andrew Su‭  ·  last activity 5y ago by Andrew Su‭

Question biology evolution society species