| 单词 | 突变 |
| 释义 | 〔revertant〕Having reverted to the normal phenotype, usually by a second mutation:回复突变的：已逆转回正常表现型的，通常通过第二次突变变异：〔chimera〕An organism consisting of two or more tissues of different genetic composition, produced as a result of mutation, grafting, or the mixture of cell populations from different zygotes.嵌合体：由两种或两种以上有不同基因结构的组织所构成的有机体，由于突变、嫁接或来自不同合子的细胞群体相混合而产生〔affect〕I was struck by the sudden change in his behavior. 我对他行为的突变而感到震惊 〔deuce〕"Love is a bodily infirmity . . . which breaks out the deuce knows how or why"(Thackeray)“爱情是全然脆弱的…谁也不知道感情会如何或为什么发生突变”(撒克里)〔auxotrophic〕Requiring one or more specific substances for growth and metabolism that the parental organism was able to synthesize on its own. Used with respect to organisms, such as strains of bacteria, algae, or fungi, that can no longer synthesize certain growth factors because of mutational changes.有营养缺陷的：需求一种或多种用于有机体成长及代谢、其自身可以合成特定物质的。用于指如细菌菌株，水藻或真菌等因某种突变不能再合成特定生长因子的有机体〔peripeteia〕A sudden change of events or reversal of circumstances, especially in a literary work.突变：事情或环境的突然变化，尤指在文学作品中〔upheaval〕A sudden, violent disruption or upset:突变：突然而猛烈的爆发或错乱：〔jump〕A sudden or major transition, as from one career or subject to another.突变，大变：突然或重大的转变，如从一个职业或一个主题转到其他〔explode〕To change state or appearance suddenly:突变：突然改变状态或外观：〔broken〕Varying abruptly, as in pitch:突变的，如音高：〔shake〕 Shudder applies chiefly to convulsive shaking caused by fear, horror, or revulsion: Shudder 主要指由于恐惧、恐怖或心情的突变引起的骤发性震动： 〔auxotroph〕An organism, such as a strain of bacteria, that has lost the ability to synthesize certain substances required for its growth and metabolism as the result of mutational changes.营养缺陷型：一种有机体，如细菌菌株，因某种突变的结果而失去合成某种生长及代谢所需物质的能力〔fillip〕A snap or light blow made by pressing a fingertip against the thumb and suddenly releasing it.弹指，轻击：用一指尖压于拇指之下，然后突然松开的突变或轻轻一击〔crack〕To change sharply in pitch or timbre, as from hoarseness or emotion. Used of the voice.嗓音发劈：由于声音嘶哑或情绪激动而造成的音高或音质的突变。用于指嗓音〔mutation〕A sudden structural change within a gene or chromosome of an organism resulting in the creation of a new character or trait not found in the parental type.突变，变种：生物体的基因或者染色体的突变，产生一种父代所没有的新的特征或者特性〔missense〕A section within a strand of messenger RNA containing a codon altered through mutation so that it codes for a different amino acid.错义：一个RNA螺旋体中包含的一个因突变而改变密码子的部分，它能编码成为另一种不同的氨基酸〔mutation〕The process by which such a sudden structural change occurs, either through an alteration in the nucleotide sequence of the DNA coding for a gene or through a change in the physical arrangement of a chromosome.突变，变种：突变发生的过程，是通过基因的脱氧核糖核酸密码的核苷酸顺序的改变或者通过染色体内部的物理重新排列〔mutant〕An individual, an organism, or a new genetic character arising or resulting from mutation.突变体：由突变而产生的一种新个体、新有机体或者新种〔peripeteia〕from peripiptein [to change suddenly] 源自 peripiptein [突变] 〔dismay〕 Horrify implies dread, shock, or revulsion: Horrify 暗含了害怕、震惊或突变之意： 〔mutagen〕An agent, such as ultraviolet light or a radioactive element, that can induce or increase the frequency of mutation in an organism.诱变剂：有机体中的一种可诱发或者增加突变的次数的因子，如紫外线或放射性元素〔switcheroo〕An unexpected variation or reversal.突变，逆变：意想不到的变化或完全相反的结果〔mutable〕Tending to undergo genetic mutation:易于经受遗传突变：〔choppy〕Marked by abrupt transitions; jerky:突变的，急动的：以突然转折为特征的；急动的：〔genotoxin〕A chemical or other agent that damages cellular DNA, resulting in mutations or cancer.基因毒素：损害细胞脱氧核糖核酸的化学制剂或其它制剂，会引发突变或癌症 |
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