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TOEFL IELTS BNC: 6291 COCA: 8622

mutation

noun
/mjuːˈteɪʃn/
/mjuːˈteɪʃn/
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  1. [uncountable, countable] (biology生物) a process in which the genetic material of a person, a plant or an animal changes in structure when it is passed on to children, etc., causing different physical characteristics to develop; a change of this kind（生物物种的）突变，变异
    • These cells have been affected by mutation.这些细胞已经受到突变的影响。
    • The disease is caused by genetic mutations.这种疾病是由基因突变所致。
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    Extra Examples
    • The genetic material has suffered a mutation.这种基因材料发生了突变。
    • The protein contained a mutation.这种蛋白质有一个变异。
    • These cells carry a mutation affecting the prevention mechanism.这些细胞携带有影响预防机制的变异。
    Topics Biologyc1
    Oxford Collocations Dictionaryadjective
    • chance
    • random
    • common
    • …
    verb + mutation
    • carry
    • contain
    • acquire
    • …
    mutation + verb
    • arise
    • occur
    • affect something
    • …
    mutation + noun
    • frequency
    • rate
    See full entry
  2. [uncountable, countable] a change in the form or structure of something（形式或结构的）转变，改变
    • (linguistics语言学) vowel mutation元音变化
    • In Celtic languages such as Welsh, there is a process of mutation affecting the beginning sound of a word, according to the word which comes before it.在凯尔特语如威尔士语中，有一个影响一个单词的开始音的突变过程，根据它前面的单词。
    • This essay examines the mutation of ethnic politics into nationalist politics.本文考察了民族政治向民族主义政治的转变。
    3. Word Originlate Middle English: from Latin mutatio(n-), from mutare ‘to change’.

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