Re: Gender determination (wasOT: Re: What? The clean-shaven outnumber the bearded?)
| From: | Stone Gordonssen <stonegordonssen@...> |
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| Date: | Tuesday, May 20, 2003, 3:21 |
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>None whatever. Even Richard Speck turned out to be plain old XY.
>There are no marked differences between XYY and XY, because in any given
>cell with more than one X chromosome, one of them is switched off at
>random.
>
>This leads to some interesting patterns, like calico cats (randomly
>black or reddish hair in each cell, depending on which X is activated) --
>there are no male calicos for that reason, since all their cells are
>alike.
Cool. Thanks. I knew of the calico beinbg sexlinked to female cats, but
didn't realize that it was manifest via one chromosome of each X-pair
randomly switching off.
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Alterum animi mei quaerens
natus anctus harpyia et stoico
Elysiis triste praepalor.
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