mutation

英 [mjuːˈteɪʃn]

美 [mjuːˈteɪʃn]

n.  (生物物种的)变异，突变; (形式或结构的)转变，改变

复数：mutations　

TOEFLIELTS化学

BNC.6291 / COCA.8622

牛津词典

noun

• （生物物种的）变异，突变
  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
  1. cells affected by mutation
     受到突变影响的细胞
  2. genetic mutations
     基因变异
• （形式或结构的）转变，改变
  a change in the form or structure of sth
  1. vowel mutation
     元音变化

柯林斯词典

• V-ERG (使)变异;(使)突变
  If an animal or plantmutates, or somethingmutatesit, it develops different characteristics as the result of a change in its genes.
  1. The virus mutates in the carrier's body...
     病毒会在携带者体内发生变异。
  2. A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells...
     一种叫作吡啶酮的新型抗艾滋病药物能促使艾滋病毒变异，使其不能繁殖，也不会再感染新的细胞。
  3. The technique has been to mutate the genes by irradiation or chemicals...
     该技术是通过放射线照射或者使用化学方法使基因变异。
  4. He found evidence of mutated forms of the gene.
     他找到了该基因出现了变异形式的证据。
• VERB 变化;变成
  If somethingmutates intosomething different, it changes into that thing.
  1. Overnight, the gossip begins to mutate into headlines.
     一夜之间，传闻变成了报纸的头条新闻。

英英释义

noun

• a change or alteration in form or qualities
• (genetics) any event that changes genetic structure
  Synonym:genetic mutationchromosomal mutation
• (biology) an organism that has characteristics resulting from chromosomal alteration
  Synonym:mutantvariationsport

双语例句

• Sickle cell disease is a disorder in which blood cells carry a mutation in hemoglobin.
  镰状细胞贫血病是由于血细胞携带了一种突变的血红蛋白导致的紊乱。
• Conclusion Homotropic inheritance is existed, genetic changes was not only acquired by mutation.
  结论获得性遗传是存在的，基因的改变不仅仅是通过突变一种途径实现的。
• Still unclear is what genetic mutation or mutations lead to these malfunctions.
  什么基因的突变或突变导致的这些机能障碍仍不清楚。
• Oncogenes are sometimes produced as a result of a mutation in one or more of these genes.
  癌基因有时产生于这些基因中的一个或多个突变。
• The occurrence mechanisms on cancer including mutation of oncogene and antioncogene, effect of environmental factors were reviewed.
  根据近年的研究进展，从癌基因与抑癌基因的突变及环境因素的影响等方面综述了癌症的发生机理。
• Effect of genetic crossover and mutation on population diversity
  遗传交叉和变异对种群多样性的影响
• Spontaneous and induced mutation occur with animals viruses.
  动物病毒的突变有自发突变和诱发突变。
• Chromosome mutation A change in the number or arrangement of genes in a chromosome.
  染色体突变：生物细胞中染色体数目的增减和结构的改变。
• Physical mutation is one of the most important and efficient technique in industrial microorganism breeding.
  物理诱变技术是当今工业微生物育种中最重要、最有效的技术之一。
• But you do not forget that half of the Chinese people with the mutation of aldehyde dehydrogenase.
  可您别忘了，中国人一半带有突变的乙醛脱氢酶。