only recently is it becoming challenged with the possibilities of more modern genders opening up through technology or medical intervention.
Except for the most the the technologies haven't changed it, e.g., men still can't give birth and women can't impregnate women. Also most of the people claim to be "transgender" aren't even availing themselves of ancient that can do something, e.g., Bruce Jenner wasn't even willing to cut off his penis.
most people claim...
Be careful with your sweeping statements. I personally know of greater than one person who has gone through gender reassignment surgery. while the ability to ipregnate/be impregnated is still very much permanently attached to XYgender, it is only a matter of time.
You might know of the prevalence of "Ladyboys" in thai culture. there is a gene that is linked to that condition, and it affects a large number of their population.
I wouldn't be forcing people who don't fit into the existing gender territory to attempt to fit ...
This thread is for asking any questions that might seem obvious, tangential, silly or what-have-you. Don't be shy, everyone has holes in their knowledge, though the fewer and the smaller we can make them, the better.
Please be respectful of other people's admitting ignorance and don't mock them for it, as they're doing a noble thing.
To any future monthly posters of SQ threads, please remember to add the "stupid_questions" tag.