Individuals with this disorder is commonly referred to as "supermales."
They are often tall and larger than normal, however they develop primary and
secondary sex characteristics normally, and are usually fertile.
i'm not an expert, but this is what my notes say
Rcjohnsen <rcjohnsen at aol.com> wrote in message
news:19990404211231.20409.00002126 at ng-fr1.aol.com...
> << what does xyy mean, what kind of disorder is this?
> >>
> XYY are males with two Y chromosomea and a single X as opposed to normal
XY
> males.
>Rcjohnsen at aol.com
