I dunno. I remember back in my high school biology class there was an distinct effort made to make us understand that chromosomes aren’t actually used as a definitive characteristic of sex outcomes (for lack of a better phrase.)
It’s a characteristic sure, one that can certainly inform the outcome.
But the textbook/curriculum seemed to make it out to be just one small facet that isn’t really that “integral.”
And my time speaking to folks who are big biology nerds in one way or another only strengthens this message for me.
Now I’ll freely admit that I'm a layman. So please take my words as words of a dummy lol
But I will say that had I been using chromosomes as a definitive characteristic for the human sex outcomes actually would have gotten me an F on my biology exams back in the day. For what that’s worth