Question

Which of the following is a point mutation?(1 point)
Responses

A mutation involving a single nucleotide
A mutation involving a single nucleotide

A mutation involving the addition of one or more nucleotides into a segment of DNA
A mutation involving the addition of one or more nucleotides into a segment of DNA

A mutation involving a segment of a chromosome
A mutation involving a segment of a chromosome

A mutation involving one chromosome breaking off and attaching to a different chromosome

Answer 1

A mutation involving a single nucleotide.