>>10826111>Sex is, and always have been, biological. It is male and female, man and woman.>>10826856>"Sex" on the other hand is a biological construct in which every human without sever genetic defects can be categorized in exactly two categories.Turner's Syndrome women can live relatively normal lives, and despite the missing X/Y, most simply present as women in their daily life.
XYY syndrome is also a syndrome with little to no symptoms, and a lot of these people go on to be regular ol' dudes.
XX Male Syndrome usually presents with typically male features, as the name suggests, but most of the folks with this will simply pick a gender and move on with their life.
Let's face it, genetics is fucky, gender is a weird cultural phenomenon, and the typical caveman back in the day didn't sniff out the exact number of that hot cavewoman's chromosomes to determine if he liked her or if she was a woman.