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by madaxe_again
3592 days ago
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Came here to say the same. It's the same fallacy when people go "did you know there was once only one woman? Mitochondrial dna proves it!". If anything, the prevalence of one family of haplogroups just underscores a lack of genetic drift, which is what you'd expect from a rapidly growing population due to improvements in technology. The bigger the breeding population the more likely that mutations are drowned out by the prevalent alleles. Isolated populations drift, and mutations propagate more rapidly within them to become universal. If anything, it points to a potential bottleneck 4000 years ago, but not necessarily. If anyone's got a link to the paper it might shed some light on what was actually described... |
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