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Clear_Flower_4552 t1_j0xk5jy wrote

Reply to comment by ZhouDa in TIL that The sex of birds is determined by the Z and W sex chromosomes, rather than by the X and Y chromosomes present in mammals. Male birds have two Z chromosomes (ZZ), and female birds have a W chromosome and a Z chromosome (WZ). by treeofliife

There are lots of structural differences like that. These differences contribute to female athletes being much more prone to certain injuries.

“Gender Differences Mean More Knee Injuries for Women“

https://www.cedars-sinai.org/blog/gender-differences-knee-injuries.html

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