What are the chances of a person with Cystic Fibrosis passing it to their offspring?

• If the parents both have CF then all the children they have will have CF.
• If one parent is a carrier and the other parent is normal, according to the punnett square, 50% of their childeren will be normal and the other 50% will be carriers.
• If both parents are carriers then 50% of their kids will be carriers, 25% will be normal, and 25% will have CF.