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 mutation mutation /mjuːˈteɪʃən/

noun

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