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Evolution can trivially happen within one generation. Just consider lactose tolerance. If it happens that the only source of food is milk for a substantial peri
by fpoling 2y ago
Evolution can trivially happen within one generation. Just consider lactose tolerance. If it happens that the only source of food is milk for a substantial period, then anybody with lactose intolerance dies and the relevant genes can go from being rare to being 100% in the population.