mutation

英 [mjuː'teɪʃ(ə)n] 美[mju'teʃən]

• n. [遗] 突变；变化；元音变化

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