Researchers who believe in the mutation-driven evolution of species and mutation-driven differences in human populations have invented another ridiculous hypothesis. Now, they believe in mathematical models that infer: Cultural hitchhiking and competition between patrilineal kin groups explain the post-Neolithic Y-chromosome bottleneck In human populations, changes in genetic variation are driven not only by genetic processes, but can also arise from cultural or social changes. An abrupt population bottleneck specific to human males has been inferred across several Old World (Africa,…