問題詳情

34. What is the effect of a nonsense mutation in a gene?
(A) It introduces a premature stop codon into the mRNA.
(B) It changes an amino acid in the encoded protein.
(C) It has no effect on the amino acid sequence of the encoded protein.
(D) It alters the reading frame of the mRNA.
(E) It prevents introns from being excised.

參考答案

答案:A
難度:計算中-1
書單:沒有書單,新增