Isn’t boy vs. girl just a simple matter of different sex chromosomes (XX vs. XY) and body parts?

Reproductive Health

A: Actually, humans come in a variety of X and Y chromosome combinations (not just XX and XY) and body parts (i.e., anatomy). TL; DR: Most people that have XX chromosomes develop what is considered “typical” female anatomy and most that have XY chromosomes develop “typical” male anatomy. But not always. Other sex chromosome combinations Read more…