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An individual heterozygous for cystic fibrosis (i.e., no disease sign) ____________________. A. cannot have children with cystic fibrosis B. is a carrier of cystic fibrosis C. cannot reproduce D. has cystic fibrosis

1 Answer

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Answer:

B is a carrier of cystic fibrosis

Step-by-step explanation:

Since cystic fibrosis is a recessive disease the person must have a mutation in both copies of the CFTR gene in order to have the illness.

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