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Noun: mutation  myoo'tey-shun
  1. (biology) an organism that has characteristics resulting from chromosomal alteration
    - mutant, variation, sport
  2. (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
    - genetic mutation, chromosomal mutation
  3. A change or alteration in form or qualities

Derived forms: mutations

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

Encyclopedia: Mutation