What does mutation mean?
• MUTATION (noun) The noun MUTATION has 3 senses: 1. (biology) an organism that has characteristics resulting from chromosomal alteration 2. (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism 3. a change or alteration in form or qualities Familiarity information: MUTATION used as a noun is uncommon.