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

• 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。
• Aim: To observe how the mutation gene affects life span of inbred strain Yuyi hairless mice.
  目的：通过对豫医无毛小鼠寿命的观察，探讨突变基因对无毛小鼠寿命的影响。
• 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。
• Genetic analysis indicates that ret41 is a single allele recessive mutation.
  经由回交之后的遗传分析结果显示，ret41为单一隐性突变株。
• Conclusion The low expression and mutation of PTEN gene probably promote the occurrence and development of glioma.
  结论：PTEN基因低表达及基因突变可能对胶质瘤发生、发展有促进作用。
• Scientists say further mutation is required to cause mass deaths, but future evolution of the virus remains unknown.
  在一篇总结了猪流感的已知情况的文章中，科学家说如果要导致大规模死亡，病毒需要进一步变异，但是该病毒未来的进化尚不明了。
• Suspension cultures maintained for long periods may alter in properties due to mutation and altered gene expression.
  悬浮培养长期保存会由于突变和基因表达的改变而改变性状。
• 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。
• 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。