Such statistics are not recorded.
Of course they can. Many women do it and it works out fine.
hardly any....I am white and I would marry a black women. I am a black woman married to a Mexican American man.
men and women have the same number of rib bones, 7 true ribs, 5 false ribs, and 2 floating ribs that don't go all the way around and connect to the sternum.
Like in most of the world, about 50/50. That's about 20 million men and 20 million women.
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