Multiple choice

Which one is gene mutation?

  1. Insertion

  2. Duplication

  3. inversion

  4. Translocation

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Insertion is a gene mutation involving the addition of nucleotide(s) into DNA sequence, changing the reading frame. Duplication, inversion, and translocation are chromosomal mutations involving changes to large chromosome segments rather than point mutations.