Assertion: fibrosis's child | /r/HasProperty | a 25% chance
Facets:
Source sentences:
text: Not all children of parents who have the gene will develop the disease, but there is a 25% chance that they will, and a 50% chance that the child will become a carrier of CF as well.
text: Carrier parents have a 50 percent chance of having a child who is an unaffected carrier and a 25 percent chance of having an unaffected, non-carrier child.