It's scientific fact that humans come in two varieties - XX for female and XY for male.
....EXCEPT....
1. You can be born appearing female, but have a 5-alpha reductase deficiency and grow a penis at age 12.
Medically, this condition is known as “5-alpha reductase deficiency.
2. You can be born legally male with an X and a Y
chromosome, but your body is insensitive to androgens, and you appear female. Androgen insensitivity syndrome is a condition that affects sexual development before birth and during puberty.
3. You can be born legally male with an X and a Y
chromosome, and have a penis and testes, *and* a uterus and fallopian tubes. This another form of androgen insensitivity syndrome.
4. You can be born legally male with an X and a Y
chromosome, but your Y chromosome is missing the SRY gene, which gives you a female body. This is a condition known as Swyer syndrome.
5. You can be born legally female with two X chromosomes, but one of the Xs has an SRY gene, which gives you a male body. This another form of Swyer syndrome.
6. You can be born legally female with two X chromosomes - and also a Y chromosome, which gives you a male body. This child would be "intersex", another form of Swyer syndrome.
7. You can be born legally female with two X chromosomes, but your adrenal gland doesn't produce enough cortisol, and your body develops as a male. This is a condition known as X-linked adrenal hypoplasia congenita and affects the development of the adrenal glands.
8. You can be born with XX chromosomes -*and* XY
chromosomes (chimerism).
It blows my mind to hear people who are supposedly "educated" make comments like "There are only 2 sexes XX and XY"
The other issue that I do not hear brought up is how babies are born different all the time. The average number of legs a baby is born with is
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