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Buttons! :)
So, a bit of a random question here, but why do guys have nipples? :) lol, just something I've always wondered. Thanks!
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Ok so the gene for the nipples is carried on a chromosone that every one receives, so yeah thats why :]
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Uhm?
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the book "Why Is Sex Fun: The Evolution of Human Sexuality" by Jared Diamond is a great source for the answers to those why do buys have this and girls have this questions, it is only about 100 pages and is very interesting.
good luck
xxx
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its from the same tissue before your born, everyone starts out w/ the same tissues, but depending on whether you're a boy or a girl they develop into different things. there was nothing for nipples to develop into in boys, so they just kept them.
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To add to the other answers, you might be interested to know that the clitoris and the penis originate from the same tissue, and only differentiate when the foetus becomes either male or female.
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Ive learned this before, its because when your an embryo, your not a girl or boy yet. So the body part (nipples) start to grow and then you either turn into a boy or girl and for boys, their chest gets the gene to not grow.
Ashley♥
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I just learned this in Health like.. a day ago. I might be wrong but this is what I heard:
When you are an early-aged embryo you aren't a boy or girl yet (so I guess that body part forms early on, even if you don't turn out to be a girl).
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