英语释义

• (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism

• a change or alteration in form or qualities

• (biology) an organism that has characteristics resulting from chromosomal alteration

片语

bud mutation[农学][遗] 芽变，芽条变异

mutation rate[遗] 突变率；变异概率；突变速率

mutation frequency[遗] 突变频率

induced mutation[遗] 诱发突变

chromosome mutation染色体突变

amber mutation[遗] 琥珀突变

space mutation太空诱变

point mutation[生化][遗] 点突变

somatic mutation[遗] 体细胞突变

mutation theory突变理论；[遗] 突变学说

parallel mutation平行突变

adaptive mutation适应性突变

Synonymous mutation同义突变

genetic mutation基因突变

up mutation上升突变

gene mutation[遗] 基因突变

mutation breeding[农学] 诱变育种

missense mutation[遗] 错义突变

英汉例句

• the idea is that mutation contributes to variability and variability drives the success of a population in the face of a changing environment.

  该理论是指突变有助于变异性而变异性则是一个物种在面对不断变化的环境时成功生存的助力。

• now they can and that helps keep the mutation in circulation.

  不过现在可以了，这也助于让该突变维持流传。

• and that, researchers say, is what makes the mutation tactic attractive.

  同时，研究者们说，这是突变战术的吸引力所在。

• each additional human case increases opportunities for the virus to improve its transmissibility, through either adaptive mutation or reassortment.

  每增加一例人间病例增强了该病毒通过适应性突变或重组提高其可传播性的机会。

• because this problem was studied together for group members, this text has expounded the part about fitness function and mutation operator that i finished.

  由于此问题为小组成员共同研究，本文重点论述了本人完成的关于适应度函数和变异操作的部分。

• about half of all melanoma patients have a mutated braf gene.this mutation tells the cell to continue to grow.

  将近半数的黑色素瘤患者都有braf基因突变，从而导致黑色素肿瘤细胞继续生长。

• we identified the mutation that triggers this abnormal re-activation of developmental genes and showed that if you turn off these genes, you stop the cancer.

  我们找到了触发这种异常的发育基因再活跃的变异，并发现如果关闭这些基因就能阻止癌癥发展。

• so if you「re not living in a malaria environment, the mutation is just bad.

  所以说，如果你并不处于疟疾环绕的环境，这个突变则只有坏处。

• with their competitors all dead, the progeny of a mosquito carrying a mutation that can neutralise the insecticide in question have the world to themselves.

  当它们的竞争者都死亡的时候，一只带有一种突变蚊子的后代，能够挺立在杀虫剂之间，同时掌控这个世界。

• constant mutation and adaptation are the survival mechanisms of pathogens.

  不断变异和适应是病原体的生存机理。

• any of them could get that last, currently unpredictable mutation that lets it spread readily in people, like swine flu did - or swap genes with a human flu virus that already can.

  它们中的任何一个都可以像猪流感一样通过变异在人类间传播开来。 当然也可以通过它们惯用的伎俩--与人类流感病毒交换基因。

• it」s only when you inherit the mutation from both parents that you get sickle-cell anemia.

  只有当你同时遗传了父母双方的突变，你才会患上镰刀状细胞性贫血。

• 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。

• so, although the mutation does not change the composition of any protein, it does change the activity of a nearby gene that encodes a protein called bmp12.

  因此，虽然，这种变化并不能改变蛋白质的构成，不过它会影响附近的一个基因的活动，这个基因的作用是指导合成bmp12蛋白质。

• by understanding this change, we may be able to design pharmaceuticals or other forms of therapy that will assist individuals with this mutation in recovering from bacterial disease.

  理解这种变化之后，我们可以设计药品或其他形式的治疗方法，来帮助发生这种突变的个人从细菌疾病中恢复。

• but other scientists have warned that the cure only worked because the donor was both compatible and carrying an extremely rare double hiv resistant mutation in his genes.

  但是其他科学家警告称，这次治疗之所以成功，是因为（骨髓）捐献者配型成功，并且基因中含有极其罕见的抗hiv突变。

• merging of parent dna and subsequent mutation should not allow certain combinations of bits, because the resulting dna will not be a valid solution to the original problem.

  合并双亲的dna和随后的变异应当不允许特定的一些位组合出现，因为得出的dna可能不再是最初的问题的有效解答。

• but he thinks it can only go backward when the evolution of the trait is simple, like when a single mutation is involved.

  但是他认为只有在新特征的进化是非常简单的情况下才可以逆转，例如只有一个位点发生突变。

• the mutation would probably spread through the population and tip the dynamics of female-female relationships more towards conflict rather than cooperation.

  这种突变可能会蔓延到整个种群，并且推动雌雌伴侣关系朝着沖突而不是合作的方向发展。

• the researchers are not yet certain how the gene mutation works to shift people's sleep time.

  但科学家们目前尚不能确定这种基因突变是如何改变人们睡眠时间的。

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

  挪威科学家已经从超过70例临床病人的样本中进行了分析，没有再发现这样的变异。

相似词

evolution演变；进化论；进展