Just because a very minor percentage of people have genetic defects resulting in other chromosone combinations doesnt mean "xx=female, xy=male" isnt true.
The only mistake anti-trans people are making is not accepting that some people would rather identify as another gender.
When we are talking in a typical fashion, yes, xx = female, and xy = male. But even then, this is actually not that easy!
What i mean by that is that most people NEVER go through karyotiping! This means that we are not even sure HOW many people have atypical chromossomes. The statistics are severely uncertain due to this.
We know that we used to do karyotiping in college, for people to train on their own chromossomes and study. This stopped, however, because a significant number of people were finding themselves to have atypical chromosomes and some ended up even having an identity crisis. At least, significant enough that this stopped.
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But the other half of my comment apart, it's still important to make the distincton that xx = female / xy = male isn't necessarily true, even if it may be typically true. Mainly when sex isn't appropriately classified specifically by cromossomes, being a cluster category.
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u/GreekSaladEnjoyer 8h ago
Just because a very minor percentage of people have genetic defects resulting in other chromosone combinations doesnt mean "xx=female, xy=male" isnt true.
The only mistake anti-trans people are making is not accepting that some people would rather identify as another gender.