47 XYY Males Flashcards
1
Q
Incidence
A
1 per 1000 newborn boys
2
Q
Phenotype
A
Normal phenotype
But tends to be tall
3
Q
Intelligence and behaviour
A
Intelligence is usually within normal limits
Increased behavioural abnormalities
4
Q
Fertility
A
Usually normal
5
Q
Offspring
A
Low risk of recurrence