The most commonly occurring mutation in people with cystic fibrosis is a deletion of a single codon. This results in

The most commonly occurring mutation in people with cystic fibrosis is a deletion of a single codon. This results in

The most commonly occurring mutation in people with cystic fibrosis is a deletion of a single codon. This results in


A) a base-pair substitution.
B) a nucleotide mismatch.
C) a frameshift mutation.
D) a polypeptide missing an amino acid.
E) a nonsense mutation.

Answer:  D