人じん為い突とつ然ぜん変へん異い

noun

induced mutation

Technical genetics term for a mutation caused by human intervention, such as radiation or chemical treatment. Contrasts with 自然突然変異 (spontaneous mutation).

See also: 誘発突然変異

• この実じっ験けんでは、放ほう射しゃ線せんを用もちいて人じん為い突とつ然ぜん変へん異いを誘ゆう発はつした。

  In this experiment, induced mutations were caused using radiation.

• 人じん為い突とつ然ぜん変へん異いは品ひん種しゅ改かい良りょうに利り用ようされることがある。

  Induced mutations are sometimes used in plant breeding.