Jeez, I used to know this... Now I have to go look it up to be sure. My textbooks are in the attic, though, so I might come crawling to the list later if I'm wrong. Maybe google is a good option anyway...
Oh, well... tomorrow...
Jostein
----- Original Message ----- From: "mike wilson" <[EMAIL PROTECTED]>
On a slightly different tack, there is a syndrome whereby an individual can receive an extra sex chromosome. Males have XY, females XX sex chromosomes. For males, an extra Y and for females an extra X creates a sort of "super" gender. Males with extra Y's tend to form a higher than average proportion of the populations of prisons. A female with an extra X has never been found, so the mutation is presumably lethal at conception. Makes one wonder what a super female could be capable of....
