Question

A mutation occurs in a sequence of DNA. How could the DNA mutation affect the protein produced?
A.
The chromosomes in the protein could be changed.
B.
The mutation could change every protein in the cell.
C.
The protein would cause other proteins to mutate.
D.
The structure of the protein could be changed.

Answer 1

D. The structure of the protein could be changed — a DNA mutation can alter codons, changing amino acids (or causing premature stop or frameshifts), which can alter protein sequence, folding, and function.