A mistake? How slippery of them.
Last week's episode was particularly interesting. It covered sex and gender. They highlighted the story of one woman who actually had XY chromosomes. So genetically, she was a man, but she had a condition called androgen sensitivity syndrome, which rendered her body unable to respond to male hormones. Because all embryos begin as female before the surge of testosterone that causes male genitalia to develop, she kept female external genitalia. During her teenage years, she never had her period and she later discovered that she had no ovaries, nor a womb, and that her chromosomes were those of a man's.
It puts a new spin on things, providing further evidence that things like homosexuality are likely to be biological as opposed to psychological.
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Originally posted by pinkgoth2
Indeed, so you did, though the emphasis in your post seemed to be more on the cells. Pardon.
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Yes, because the cells are the tangible product of the DNA: the signs of aging are visual.