andrel wrote:
> As Darren pointed out, a different number of chromosomes may have severe 
> consequences when that is because one chromosome did not make it to the 
> next generation or if there is a duplication.

I don't know what point you thought I was trying to make.  My point is that 
organisms are extremely robust to screwed up genetics. You can give someone 
and extra chromosome and they can still function.

I wouldn't want to gamble that someone with a different number of 
chromosomes couldn't possibly have viable offspring. Not common, mind, but 
impossible?  I don't know enough to say.

> chimps and humans is estimated at at least 1000 individuals, then it is 

I read recently that cheetahs don't reject organ transplants from other 
cheetahs, and that looking at the chromosomes, one can tell that at one 
point there were only 6 or 7 cheetahs in the world.

-- 
   Darren New, San Diego CA, USA (PST)
   "We'd like you to back-port all the changes in 2.0
    back to version 1.0."
   "We've done that already. We call it 2.0."

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