An event capable of causing a mutation.

Roget 140: change, alteration, mutation, permutation, variation, modification, modulation, inflexion, mood, qualification, innovation, metastasis, deviation, turn, evolution, revolution; diversion; break.    transformation, transfiguration; metamorphosis; transmutation; deoxidization [Chem]; transubstantiation; [Genetics], mutagenesis transanimation^†, transmigration, metempsychosis^†; avatar; alterative.    conversion etc. (gradual change) 144; revolution etc. (sudden or radical change) 146, inversion etc. (reversal) 218; displacement etc. 185; transference etc. 270.    changeableness etc. 149; tergiversation etc. (change of mind) 607.    ... show more

Dutch: mutagenesis