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Cat Convo - cellophane — LiveJournal
the story of an invisible girl
renniekins
renniekins
Cat Convo
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infernus1218 From: infernus1218 Date: June 20th, 2007 04:10 pm (UTC) (Link)
I just read this in a book titled something like, "30 questions you've wanted to ask your doctor but never could"

The question was "why do men have nipples?"

The answer is that when we are born, gender isn't determined until the 6th week.
kevinnickerson From: kevinnickerson Date: June 20th, 2007 04:55 pm (UTC) (Link)
I think you mean conceived. Gender is fully determined at birth.
dagibbs From: dagibbs Date: June 20th, 2007 05:23 pm (UTC) (Link)
Hm... in most cases, gender is fully determined at birth. In some cases it is still confusing, ambiguous, or mixed.
kevinnickerson From: kevinnickerson Date: June 20th, 2007 05:40 pm (UTC) (Link)
Rarely, but ok. That's physical gender, of course. Genetic gender is fully determined at conception. XX, XY, XXY, and XYY (I don't think there are any other viable mixes).
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