Assertion: cystic fibrosis's parent | /r/CapableOf | carry a cf gene
Facets:
Source sentences:
text: A child can inherit CF only if both parents carry a CF gene (that is, each parent either has CF or is a carrier) and both parents pass the CF gene on to their child.
text: With every pregnancy, parents who both carry the CF gene will always have a 1-in-4 (25%) chance of having a child with CF.
text: When both parents carry a CF gene
text: If one parent has CF or carries a CF gene, and the other parent does not, then their child has a 50 percent chance of being a carrier of the CF gene, but may not exhibit symptoms.