Janine is 28 years old and is 8 weeks pregnant with her first baby. She is known to have Cystic Fibrosis and so far has had an uncomplicated pregnancy. Her husband is known to be a Cystic Fibrosis carrier. She is distressed today and would like to discuss what the chances are that her baby will be affected and is also wondering if having Cystic Fibrosis will affect her whilst pregnant.
Which one of the following options is correct regarding Cystic Fibrosis and its inheritance?