Assertion: cystic fibrosis's parent | /r/HasProperty | carriers of cystic fibrosis
Facets:
Source sentences:
text: If both parents are carriers of cystic fibrosis and have a child, there is a 1 in 4 chance that the child will have the disease, Fracchia told Live Science.
text: A child has a 25 percent chance of inheriting the CFTR defective gene from both parents if both parents are carriers of cystic fibrosis.