Causes
Cystic fibrosis is a disease that comes from a difference in a person's genes. Any parent with the CF gene can pass it to their children. Although those parents may not actually have CF, they may carry the gene that could be passed on to their baby. When both parents are carriers of the CF gene, there is a one in four chance that their child will inherit the disease. If their child does not inherit the illness, the child could still be a carrier just like both of her parents, so she could pass on the CF gene when she has her own babies. …
