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What happens to the CFTR gene in individuals who have cystic fibrosis ?
A. The entire gene is deleted.
B. The entire gene is duplicated.
C. Three bases are deleted, causing one amino acid to be missing.
D. Three bases are duplicated, causing one amino acid show up about 40 times.

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jacemorris04

Question: What happens to the CFTR gene in individuals who have cystic fibrosis ?

Answer: Three bases are deleted, causing one amino acid to be missing.

Explanation: a person must have a mutation in both copies for it to be a CF

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(jacemorris04)

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