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2016, Book 51 "The predominant message from DNA studies, be it from mitochondrial DNA, the Y Chromosome or the regular autosomal nuclear genome is that most, but certainly not all, modern human genes originated in Africa. Another is that 2MY Africa seems to have been the source of 'pulses' of hominin evolutionary novelty...It is now generally agreed that modern humans are derived from a relatively recent, c.50-45 KYA migration out of East Africa."