A point mutation occurs when __________ is changed.
A) a single gene
B) an allele pair is changed
C) an introns is changed
D) a single base in a gene

Question

Quizplus · Accepted Answer

A point mutation is a change in a single base pair of DNA. It can occur during DNA replication when a nucleotide is inserted, deleted, or substituted. This change can result in a different amino acid being incorporated into the protein sequence, potentially altering its function. A point mutation can also occur in non-coding regions of DNA, such as introns, but it would not have a direct effect on the resulting protein product.

A Point Mutation Occurs When __________ Is Changed