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Little Kenny's avatar

When you speak of myths spreading via a phylogenetic type descent (vs. horizontal diffusion), my mind jumps to the familiar tree structure splaying out over the generations. But then I remember how genomics has revealed how much people move around and admix, with separated lineages rejoining. Each time there is a new model of what went on in Africa in the few hundred thousand years leading up to modern Homo sapiens, it looks a bit less like a tree and a bit more like a network.

That makes me think that when the question is whether common myths propagated phylogenetically or via horizontal diffusion, maybe the answer is “Some of both”. Someone looking for evidence of phylogenetic type descent can find it, and someone else looking for evidence of diffusion can find it as well.

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