posted by ourania .
In both parents are carriers of PKU
A one child out of four will develop the disorder
B none of the children will develop the disorder
C their daughters are more likely to develop the disorder than their sons are.
D all of their children will develop the disorder
I believe A is the correct answer
AFP can be used to
A assess sex chromosome abnormalities
B detect neural tube defects
C assess some degree of mental retardation
D measure anzyme levels in the fetus
I belive the correct answer is B
I think both of your answers are right.