Cystic fibrosis is a genetic disorder passed on through inheritance. The allele for cystic fibrosis is recessive. A woman is heterozygous, and her partner is homozygous dominant. What must be true for any children they have?
- AAll of their children will have cystic fibrosis.
- BThere is a one in two chance of being heterozygous.
- CThere is a one in four chance of being heterozygous.
- DThere is no chance of having the cystic fibrosis allele.