nope, XYY is definitely the 'perfectly normal with slightly higher chance of killing someone'
manwithunderpantsonhead older than a Time Lord,
Sat 18 Sep 2004, 19:15,
archived)
I know very little about human genetics,and am merely pandering to stereotypes :)
(
DogHorse plop,
Sat 18 Sep 2004, 19:16,
archived)