mutation

突然変異

遺伝子の情報が変わること。子孫に伝わる場合もある。

やさしい英語で： A change in the information inside genes that can pass to future generations.

• This mutation affects eye color.
• Some mutations pass from parents to children.
• Scientists found a mutation that protects against the disease.

使い方： mutation in something (They found a mutation in the gene.)

類義語： genetic change

よく使う表現： genetic mutation, gene mutation, harmful mutation

変化、変容

物事の形や性質、特徴が変わること。

やさしい英語で： A change in the form, nature, or character of something.

• The style underwent a gradual mutation.
• Each mutation of the tradition reflected a new generation.
• The book follows the mutation of a small club into a political movement.

使い方： mutation of something into something (The essay describes the mutation of a protest into a movement.)

類義語： change, transformation, alteration

よく使う表現： cultural mutation, gradual mutation, mutation of something

突然変異体

遺伝子の変化によって生じた生物。

やさしい英語で： A living thing produced by a change in its genes.

• The pale plant was a mutation.
• Only one mutation survived among the young fish.
• They bred the new mutation for its unusual leaf shape.

類義語： mutant

よく使う表現： a rare mutation, a new mutation