Is It Genetic Mutation That Affects Hair?

There's a bunch of different, like, you know, hair, hair types and cindroms. You can have some genetic mutation that affects how your hair is made. Those are very rare, and sometimes they tend to co occur with other things in your body. And what you can do is basically say, ok, this is what the last common ancestor of all humans had in terms of hair. If we learned what genes were responsible for hair variation, we could ask, okay, did ne andertalls have curly scalphear? We would be able to find that out in a way that doesn't involve fossils.

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