Which of the following statements describes the effect of a nonsense mutation on a gene?
A) It changes only one amino acid in the encoded protein.
B) It has no effect on the amino acid sequence of the encoded protein.
C) It introduces a premature stop codon into the mRNA.
D) It alters the reading frame of the mRNA.

Question

Quizplus · Accepted Answer

Nonsense mutations introduce a premature stop codon into the mRNA, leading to the premature termination of protein synthesis and potentially resulting in a truncated, nonfunctional protein.

Which of the Following Statements Describes the Effect of a Nonsense