Which of the following changes in an exon is most likely to result in a nonfunctional protein product?
A) a base-pair deletion
B) an addition of three nucleotides
C) a substitution in the last base of a codon
D) a codon deletion

Question

Quizplus · Accepted Answer

A base-pair deletion can cause a frameshift mutation, altering the reading frame of the mRNA and potentially leading to a completely different and nonfunctional protein product.

Which of the Following Changes in an Exon Is Most