Because men and women form from the same fetus, and while the DNA is set at conseption, primary and secondary sexual characteristics are not formed until later in the development.
2006-07-07 04:44:49
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answer #1
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answered by ceprn 6
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Nipples develop on a baby/fetus before the sex is decided.
2006-07-07 11:36:22
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answer #2
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answered by cobra 7
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They were proto-hooters before the Y chromosome kicked in in utero.
2006-07-07 11:35:35
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answer #3
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answered by wmp55 6
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Cause imagine how strange a mans chest would look without them.
2006-07-07 11:34:51
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answer #4
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answered by Anonymous
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For nerples and titty-twisters.
2006-07-07 11:35:53
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answer #5
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answered by Soul Man 3
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so they don't need to be tattoed on after the sex change operation.
2006-07-07 11:35:22
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answer #6
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answered by oldsoftee2001 6
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LOL! so we can play with theirs like they play with ours!
2006-07-07 11:44:49
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answer #7
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answered by princesswheel 2
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ask god
2006-07-07 11:35:10
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answer #8
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answered by Anonymous
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