In response to,
> > > Rich Ulrich wrote:
> > >
> > > > <snip> Prior to artificial insemination, sperm can be sorted by
> > > > weight in a centrifuge, since sperm with Y-chromosomes generally
> > > > weigh less than the X-chromosomes, by the amount of that extra arm.
> > > > (It was not in that article, but I think I have read that there can be
> > > > 70-80% success by that method.)
> > > >
> > > > --
> > > > Rich Ulrich, [EMAIL PROTECTED]
> > > > http://www.pitt.edu/~wpilib/index.html
> >
> > Let's see: and X has 4 arms and a Y has 3 arms.
On Fri, 04 Feb 2000 00:24:55 GMT, Bill Smith <[EMAIL PROTECTED]> wrote:
> Do you really believe that that tiny chromosomal difference will consistently
>outweigh
> all other differences between individual sperm?
Hey, Bill,
That tiny difference is probably why the success rate is not so great,
even after they select from millions of sperm. I said, "70%- 80%" --
that is not a big improvement of Odds Ratio, maybe only to 2-to-1.
--
Rich Ulrich, [EMAIL PROTECTED]
http://www.pitt.edu/~wpilib/index.html
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