Assertion: cystic fibrosis's parent | /r/CapableOf | carry cystic fibrosis gene
Facets:
Source sentences:
text: If both parents carry the cystic fibrosis gene, they each have one copy of the defective gene, but do not have the disease themselves.
text: When both parents carry the cystic fibrosis gene, their child has a 25% chance of being born with the disease.