Yes, chromosomes control our sex and that should control our gender. Lying to ourselves about what gender - sex - we are is dishonest, stupid and counterproductive.
For the very tiny percentage of folks with both male and female genitalia naturally or with something other than XX or XY...I’ll give them a pass to choose. But the transgendered “female” who taught the college course I took was a guy dressed up as a very ugly and unconvincing female...
“Yes, chromosomes control our sex and that should control our gender. Lying to ourselves about what gender - sex - we are is dishonest, stupid and counterproductive.”
So, then why do you insist the Y chromosome necessarily produces a male, when it demonstrably does not do so?