The Parents of a Child with Pku Are Concerned About
The parents of a child with PKU are concerned about the risk of transmitting the disorder in future pregnancies. What is a correct assessment of the risk?
A) Each child has a 25% chance of being a carrier.
B) Each child has a 25% chance of being affected.
C) Since one child is already affected, the next three children will be unaffected.
D) One cannot predict the risk for future pregnancies.