Fun fact: during early development the gonads of the human fetus remain undifferentiated; that is, all fetal genitalia are the same and are phenotypically female.

- So, if biological sex can't be changed,
- And if life starts at conception,
- Then all men are trans.

Sorry, Republican men. You made the rules.

@LadyDragonfly @aral thatโ€™s why they are no obsessed with chromosomes.

Which fits in nicely with their โ€œsome cultures/dna are just more worthy than othersโ€ for immigration.

The genetic determination argument is the new skull measuring.

@Atomicbutterfly @aral

Fun bonus fact:

As men age, they slowly start losing Y chromosomes from their cells. Meaning that, from a chromosome standpoint, all old men are single-X women.

https://www.science.org/content/article/men-lose-y-chromosomes-they-age-it-may-be-harming-their-hearts

Men lose Y chromosomes as they age. It may be harming their hearts

Study in mice is first to directly test health effects of losing male chromosome