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by michtzik
1199 days ago
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The series of claims is very simple: The single biggest genetic difference among humans is the presence of a Y chromosome. This single casual factor, not "testosterone levels" nor "height" nor "bone density" nor "muscle mass", is the best factor to split on. Accordingly, the women's division at the Olympics should be based on this factor. (There are potentially still edge cases, but neither trans people nor even the "46X,Y DSD" individuals mentioned above are the edge cases.) |
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That is actually incorrect. You can be born with a Y chromosome and zero functional testosterone[1]. There are a lot of moving parts in between having a Y chromosome and getting testosterone expression. The later of which is a much better discriminator.
And also, these deviations aren't rare. Though they are usually unknown, when they don't cause obvious developmental deviation (and thus labeled DSDs). They also are more common in some populations.
[1]: https://en.wikipedia.org/wiki/Complete_androgen_insensitivit...