The Nurse Is Conducting Family Planning with a Healthy Couple

The nurse is conducting family planning with a healthy couple. The man's father had cystic fibrosis and his mother was healthy with no family history of the condition. The woman's family has no history of cystic fibrosis. Which is the most appropriate response for the nurse to make when asked about the risk of their child having cystic fibrosis?

A) All children will have cystic fibrosis.
B) Each child has a 50% chance of cystic fibrosis.
C) Each child has a 50% chance of being a carrier for cystic fibrosis.
D) All children will be carriers for cystic fibrosis.