Assertion: cystic fibrosis's parent | /r/HasProperty | carriers of the defective gene
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Source sentences:
text: While the majority of diagnoses are made this way, some are only confirmed during childhood or much later in life.﻿﻿ Cystic fibrosis is inherited from parents who are carriers of the defective gene, and couples can be screened to see if their child could be at risk.
text: This can happen if the parents are "carriers" of the faulty gene, which means they don't have cystic fibrosis themselves.
text: If both parents are carriers of the faulty gene, but don’t have cystic fibrosis, a child has:
text: However, if both parents are carriers of the defective gene, then it is probable that their child will have a 1 in 4 chance of contracting Cystic Fibrosis, a 1 in 2 chance of being a carrier (but completely healthy), and a 1 in 4 chance of being totally unaffected.