mutation

释义

n.

变异；改变

网络

突变；基因突变；变种

词形变化

复数：mutations

常用短语 10 组

gene mutation

基因突变

mutation breeding

诱变育种

mutation rate

突变率；变异概率；突变速率

point mutation

点突变

genetic mutation

基因突变

induced mutation

诱发突变

mutation frequency

突变频率

mutation theory

突变理论；突变学说

missense mutation

[遗传学]错义突变

bud mutation

芽变，芽条变异

在例句中理解 33 句

1. Also, some shorter people possess a rare genetic mutation, known as the "Methuselah gene, " that seems to extend their life spans.

   但是恰恰是一些个子不高的人会有很少见的基因突变，也就是“高寿基因”，它可以延长寿命。

2. So people will try and get some sort of gene-based test to measure the expression-mutation of these kinases.

   因此人们尝试着取得一些基因水平的测试蛋白激酶突变表达的方法。

3. In this study, researchers found a connection between a mutation in sperm DNA and a form of dwarfism known as achondroplasia.

   在这个研究中，研究者发现精子DNA变异和侏儒症（软骨发育不全）存在联系。

4. Distribution of the FNP also suggests that this mutation may have occurred during the divergence of japonica from its wild ancestor.

   该FNP的分布也表明该突变可能在粳稻从水稻祖先分化出来之前已经发生。

5. Variation in mtDNA is often assumed to conform to a constant mutation rate equilibrium neutral model.

   线粒体DNA进化通常被认为遵循一种稳定的突变速率平衡中性模型，但有证据表明该假设可能并不可靠。

6. The mutation itself is in a gene for a nerve-cell protein of a type known as an ion channel.

   变异的基因是编码一种叫做离子通道的神经细胞蛋白质。

7. Living organisms have a similar tradeoff in deciding how much mutation and innovation is needed to keep up with a changing environment.

   生命有机体为了跟上环境的变化，在决定应该在多大程度上进行变异和创新时，也会作出类似的权衡。

8. So that is often performed as a confirmatory test to see if there is a specific mutation to whichever agent is being utilized.

   因此，这种检测通常用作确证试验，用以探查是否有特异变异及这种变异针对何种药物。

9. Only one of every 1, 000 people of American and European descent has this mutation inherited from both mother and father.

   只有千分之一的美国人或是欧洲人可能继承父母的基因变异。

10. The existence of SRY and the point mutation may be the cause of the sex reversed deformity.

    SRY基因的存在及其突变可能是导致性反转畸形发病的原因。

11. Further sequencing, sequencing results showed the footage inserted in line with expectations, there was no mutation, the correct time frame.

    又进一步测序鉴定，测序结果表明插入的片段与预期相符，没有出现碱基突变，其读码框正确。

12. In a bacterial population exposed to a killer drug, a few lucky individuals might have a genetic mutation that kept them alive.

    把细菌种群置于药物后，少数幸运的细菌可能发生了基因变异，从而使得它们存活下来。

13. Two of the studies pointed to a genetic variation in the gene that is found commonly, and a third found a rare mutation of this same gene.

    其中两项研究指出了该基因上的一种常见遗传变异，而第三项研究发现了该基因的一种罕见变异。

14. "If every mutation out there was reported, it would be like reporting changes in the weather, " he said.

    “倘若报告所有的突变，那就像报告天气的变化一样，”他说。

15. He also questions whether the team has determined the age of the mutation correctly, because the estimates range over at least 3000 years.

    他还质疑该研究团队是否准确地定位变异（译者注：看来老外是不相信中国研究人员的数据的。），因为这估测跨越度至少3000年。

16. Before heading west towards Europe, the next mutation , which defined a new lineage, appeared in a man around 35, 000 years ago, ' he said.

    他说：“在他们西迁至欧洲之前，大约3万5千年前，下一代物种突变出现在种族群体的个体中，标志着一个新世系的形成。”

17. When scientists examined the pair's DNA, they found a mutation in a gene called DEC2, which governs cell production and circadian rhythm.

    科学家们通过检测这对DNA发现一个叫作DEC2发生了突变，而这个基因正是控制细胞分裂和生理周期的。

18. Order a course first try, did not expect to face after taking the spot light at the end of a gradual mutation.

    先订购了一个疗程试试，没想到服用后脸上的斑末尾渐突变淡了。

19. A single mutation might, at least theoretically, be enough to earn a small group of animals a species name.

    就理论上来说，单一突变就可能足以让一小群动物成为一个新种。

20. We have a strong association between the presence of this virus and a genetic mutation that's been linked to cancer.

    这个病毒与肿瘤遗传变异之间有很强的关联。

21. Scientists have been trying to get an accurate estimate of the mutation rate for over 70 years.

    在过去70年里，科学家们不断的尝试对的基因突变速率做一个比较准确的计算。

22. But the scientists found a spontaneous mutation that causes seedlessness in a cherimoya relative, the sugar apple.

    但是科学家们在南美蕃荔枝的近亲——另一种番荔枝身上发现了引起无籽的自然转变。

23. A partial tandem duplication is a type of gene mutation that occurs when a section of a gene is repeated, like a stutter in the gene's DNA.

    部分串联复制是基因突变的一个类型，当一个基因片断重复时发生，就像停顿基因。

24. Since mesophyll cells photorespire, photosynthetic capacity of the mutant would not be affected by this mutation.

    由於叶肉细胞可进行光呼吸，故突变型之光合作用能力不受到影响。

25. In contrast, the researchers did not find the mutation when they analyzed large comparison populations of Iranians and Americans.

    相反的是，研究人员在他们对美国人和伊朗人进行大规模人口对比分析中仍然没有发现突变。

26. What is more, if there were a pandemic it would be only a matter of time before a drug-resistant mutation of the virus emerged.

    更严峻的是，疫情爆发后一段时间，抗药性的突变病毒的产生也就只是时间的问题。

27. The experimental data demonstrated that the mutation of the surface-charged residue altered spatial structure of myoglobin.

    与野生型肌红蛋白的实验数据比较，得知Mb表面氨基酸突变后，Mb的空间结构发生了变化。

28. Inactivation of this enzyme due to a mutation of the DBH gene causes a selective (nor)-adrenergic failure of the sympathetic nervous system.

    这种酶失活的原因是基因突变的基因根源胸径有选择性（或）肾上腺素失败的交感神经系统。

29. If there is no record in mutation at one MSA position, we say that position tends to be conserved .

    一个排比的位置如果总是只能观察到一种胺基酸残基，我们就称它是保守性十分强的位置。

30. Due to mutation people at last beginning to use their brains more than 34%. Completely lost the notion of evil and hatred.

    年，由于人类的变异，人类开始使用了多大34%的大脑部分，对于邪恶和仇恨的概念完全忘记了。

31. The more people who have the virus, the more virus particles there are for that one, fatal mutation to appear in.

    因为如果有越多人感染到病毒，就有越多病毒颗粒可以酝酿出一种致命的突变病毒品种。

32. Analyzes the factors that influence the stretching changing in the hoisting process and put forward a method that adopting S-curve could reduce the stretching mutation.

    分析了提升过程中钢丝绳张力变化的影响因素，提出了采用S曲线速度图是可以减小张力突变的一种方法。

33. For example, it is hard to say whether an ART baby has died because of the ART technology or because one of its parents had a mutation that mutually contributed to subpar fertility and infant death.

    例如，很难说是否一个ART的宝宝会因为ART技术而死亡，或者他父母中的其中一个出现突变，这对于在平均水平以下的受精和婴儿的死亡是互相贡献的。