Question

A scientist identifies a short sequence of DNA that typically reads CGATCG. A mutation results in the replacement of the adenine at position three with guanine so that the sequence now readsCGGTCG. Which of the following describes this mutation?A. Point mutationB. inversion mutationC. frameshift mutationD. translocation mutation

Answer 1

The correct answer is A. Point mutation. Point mutation refers to the change in one nucleotide for another.