Assertion: cystic fibrosis's parent | /r/HasProperty | cf carriers
Facets:
value: usually
type: DEGREE
value: for the baby
type: PURPOSE
Source sentences:
text: Both parents must be CF carriers for the baby to have CF.
text: If both parents are carriers of CF, then there is a 1 in 4 or 25% chance in each pregnancy to have a child with CF.
text: This means that the parents of kids with CF are usually both CF carriers —
text: If both parents are CF carriers, they may wish to consider prenatal testing to determine whether the fetus has inherited two copies of the defective gene.
text: If both parents are carriers of CF, each child born to those parents has a 25% chance of having CF, a 50% chance of being a carrier, and a 25% chance of neither having CF nor being a carrier.