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mutation
突变
常用释义
英音[ mjuːˈteɪʃn ]
美音[ mjuːˈteɪʃ(ə)n ]
变形
复数: mutations
基本释义
  • n. （动物或植物的）突变，变异；（基因结构突变产生的）突变体，突变型；（形式的）转变，改变；语流音变，变音
例句
  • 1·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。
    来源: 《柯林斯英汉双解大词典》
  • 2·If a copy of a gene is a bit different from the original, that's called a genetic mutation.
    如果一个复制的基因与原来的有些许不同，那就叫做基因突变。
  • 3·Furthermore, the single copy of a founder mutation often confers a survival advantage on carriers.
    此外，创始者突变的单一拷贝通常赋予携带者生存优势。
  • 4·Cattle raising people in East Africa and northern Europe have gained a mutation that helps them digest milk as adults.
    东非和北欧的养牛人发生了一种突变，帮助他们像成年人一样消化牛奶。
  • 5·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。
  • 6·Their allele frequencies at numerous genetic loci gradually become more and more different as new alleles independently arise by mutation in each population.
    随着新等位基因在每个群体中独立突变产生，它们在许多遗传位点上的等位基因频率逐渐变得越来越不同。
  • 7·For example, the hereditary hemochromatosis mutation protects carriers from iron-deficiency because the mutated gene allows increased efficiency of iron absorption.
    例如，因为突变的基因可以提高铁的吸收效率，所以遗传性血色素沉着病突变可以保护带菌者不缺铁。
  • 8·While most disease-causing mutated are found in humans at a rate of one in a few thousand to one in a few million people, founder mutation can occur at much higher rates.
    虽然大多数致病突变在人类中发现的概率为千分之一到百万分之一，但基础突变发生的几率可能高得多。
  • 9·Founder mutations are a class of disease-causing genetic mutations, each derived from its own ancestral "founder" in whom the mutation originated.
    创始者突变是一类引起疾病的基因突变，每一种都源自其自身祖先的“创始者”。
  • 10·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。
网络释义
同义词
n. [遗]突变；变化；元音变化
variationshiftdiversificationturn
同根词
词根： mutate
mutant adj 突变的
mutagenic adj 诱变的；致突变的
mutational adj 突变的
mutative adj 变化的；生物突变的
mutant n 突变体；突变异种
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