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词典释义:
mutation
时间: 2023-06-13 15:37:24
高中雅思
英 [mjuːˈteɪʃn]
美 [mjuːˈteɪʃn]

n. 变化;突变;语音变异;突变体;突变型;首辅音变异;元音变化

短语搭配
双语例句
  • Genetic mutations can lead to a variety of deadly diseases.

    基因突变会导致多种致命疾病。

  • The mutation has spread throughout the tissue.

    该变异已扩散到整个组织。

  • Mutation is a difficult problem for beginners in English.

    对英语初学者来说,音变是一个难点。

  • These plants carry the mutation for red flowers.

    这些植物携带红花变种

  • Scientists have found a genetic mutation that appears to be the cause of Huntington's disease.

    科学家们已经发现一个似乎是亨廷顿病病因的遗传突变。

  • Norwegian scientists have analysed samples from more than 70 patients with clinical illness and no further instances of this mutation have been detected.

    挪威科学家对从70多名临床疾病患者身上采集的标本作了分析,未发现更多的此类变异情况。

  • It was a silent mutation and was not associated with the traits of milk yield in buffalo.

    这是一个无声突变,与水牛产奶量无关。

  • The objective is to analyse the mutation of K17 gene in a pedigree with steatocystoma multiplex.

    目的是研究多发性皮脂腺囊肿一家系中角蛋白17的基因突变情况。

  • No pathogenic mutation was detected in the exon and franking regions of MYH9 gene except a synonymous mutation.

    除同义突变外,在 MYH9 基因的外显子和弗兰克区域未检测到致病突变。

近义词
同根词

词根 mutate

  • mutant adj. 突变的 n. 突变体;突变异种

  • mutagenic adj. 诱变的;致突变的

  • mutational adj. 突变的

  • mutative adj. 变化的;生物突变的

  • mutability n. 易变性;性情不定;突变性

  • mutagen n. 诱导有机体突变的物质

  • mutagenesis n. 突变形成;变异发生

  • mutate vi. 变化,产生突变 vt. 改变,使突变

百科

基因突变(外文名:genic mutation)是指基因组DNA分子发生的突然的、可遗传的变异现象,由T.H.摩尔根于1910年在果蝇中首先发现。 基因突变从分子水平上看是指基因在结构上发生碱基对组成或排列顺序的改变,可以发生在发育的任何时期,通常发生在DNA复制时期,即细胞分裂间期。

变种,与亲代(上一代)不同,产生差异性变异。

释义
n.

the action or process of mutating

变化

  • the mutation of ethnic politics into nationalist politics

    种族政治向民族主义政治的改变

  • [count noun]his first novel went through several mutations.

    他的第一部小说改动了好几次。

the changing of the structure of a gene, resulting in a variant form which may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes

(基因结构的)突变。

[count noun]a distinct form resulting from such a change

(基因结构突变产生的)突变体,突变型。

Linguistics regular change of a sound when it occurs adjacent to another, in particular

【语言学】 语音变异,尤指:

(in Celtic languages)change of an initial consonant in a word caused (historically) by the preceding word

(凯尔特语族)首辅音变异。参见<Bold>LENITION</Bold>.

(in Germanic languages)the process by which the quality of a vowel was altered in certain phonetic contexts; umlaut

(日耳曼语系)元音变化。

易错必背词
词源

"late Middle English: from Latin mutation-), from mutare ‘to change’."

  • So your mutation is what? You're super-smart?

    你的变异是什么?超级聪明?

    《X-Men: First Class》《X战警:第一战》

  • BRCA1 helps repair some forms of mutation in your DNA.

    乳腺癌1号基因可以修复你的遗传物质中的某些变异。

    《TED-Ed》《TED教育》

  • The advent of the nuclear age may have accelerated the mutation process.

    核子时代的来临,可能加快了突变的发生。

    《X-Men: First Class》《X战警:第一战》

  • If your DNA is damaged, BRCA1 keeps the cell from dividing until the mutation is repaired.

    如果你的遗传物质遭到损坏,乳腺癌1号基因可以使细胞停止分裂直到变异被修复。

    《TED-Ed》《TED教育》

  • And what they find is a single-point mutation in a gene responsible for controlling programmed cell death.

    然后他们在控制程序性细胞死亡的基因上发现一个单点突变。

    《TED: Genomic revolution》《TED:欢迎进入基因革命时代》

  • If you have this deleterious mutation in this gene, you're 90 percent likely to get cancer in your life.

    如果这个基因发生有害突变,就有百分之九十的可能患癌。

    《TED: Genomic revolution》《TED:欢迎进入基因革命时代》

  • You know the nature of your mutation. If any genes hold the key to changing appearance, it's yours.

    你知道你变异的性质。若有任何基因能决定外观,那就是你的。

    《X-Men: First Class》《X战警:第一战》

  • You see one of the many spectacular things my mutation allows me to do is that I can read your mind.

    我的变异让我能做的许多了不起的事情之一是我能读懂你的想法。

    《X-Men: First Class》《X战警:第一战》

  • I mean, if they have the same mutation, and they get this genetic test, and they understand it, then they can go and get regular screens, and they can catch cancer early and potentially live a significantly longer life.

    如果他们有同样的突变,他们接受基因测试然后了解到该情况,他们就可以接受常规检查并早点发现病症,从而可以大大延长生命。

    《TED: Genomic revolution》《TED:欢迎进入基因革命时代》

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