Cystic fibrosis is an autosomal recessive disease. if parents, both suffering from cystic fibrosis, have children, what is the probability that one of their children will have the disease?
a.25%
b.50%
c.75%
d.100%

Respuesta :

If both parents have it, and it's recessive for both of them, I would think that there's a 100% chance of at least one of their children getting it.