1. (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
   "A genetic mutation led to the development of antibiotic-resistant bacteria";
   - genetic mutation, chromosomal mutation
    
2. (biology) organism showing genetic or spontaneous deviation from typical form
   "The scientists studied the mutation in fruit flies";
   - mutant, variation, sport
    
3. A change or alteration in form or qualities
   "The genetic mutation resulted in a new trait in the population"

Derived forms: mutations

Type of: alteration, being, change, modification, organism

Encyclopedia: Mutation