>>28312
We like to think of biological sex as a binary because that is what makes logical sense and is easy for us to understand. And it is mostly correct but not entirely.
Sex is a spectrum in the sense that everyone generally has two chromosomes, either X or Y. Some people have XX, some people have XY. However, people can also have XXX, or XXY, or XYY. The X chromosome is also much larger than the Y chromosome, and contains the information required to create a woman. The Y chromosome, in comparison, is tiny, and contains only the information to transform a woman into a man. These chromosomes contain DNA, which can say anything and are very mutable.
However, none of that makes sense from a logical perspective. Who in their right mind would design a binary system like that? Anyone with a brain would know the logically system would be to have one X or one Y, and X is female while Y is male.
The only explanation is that it came into being gradually, from single sex organisms, and isnt designed well for that reason.
As far as gender goes, that's a cultural question. It doesn't affect me either way, however I also don't think people should be able to bend rules because they want to and expect people to accommodate. Rules exist to benefit the people in charge.