Ellen has PKU. Her husband does not have PKU but genetic testing has revealed that he is a carrier for the condition. The odds that their first child will have PKU are:
a. 0%
b. 25%
c. 50%
d. 100%
Ans: c. 50%
Psychology
a. 0%
b. 25%
c. 50%
d. 100%
Ans: c. 50%