A mutation that changes a codon sequence, and subsequently changes the amino acid that should have been placed at that point in the polypeptide chain, is a
A)frameshift mutation.
B)missense mutation.
C)silent mutation.
D)nonsense mutation.

Question

Quizplus · Accepted Answer

A missense mutation occurs when a single nucleotide change results in a codon that codes for a different amino acid, altering the amino acid sequence in the polypeptide chain.

A Mutation That Changes a Codon Sequence, and Subsequently Changes