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单词 mutation
释义

mutation /mjuː'teɪʃ(ə)n//mju'teʃən/

英汉-汉英词典
n. 突变;变化;元音变化
词组 | 习惯用语
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
英语例句库
  1. Gene mutations are alterations in the DNA code.
    基因突变是指DNA 密码的改变。
  2. Mild mutations in XPF cause the cancer-prone syndrome xeroderma pigmentosum.
    XPF轻微突变导致致癌倾向综合征着色性干皮病。
  3. Objective To identify the COL7A1 gene mutation in a family with dy strophic epidermolysis bullosa pruriginosa.
    目的鉴定一痒疹样营养不良型大疱性表皮松解症家系的基因突变,为进一步开展基因诊断和基因治疗奠定基础。
  4. Technique of mutation breeding in gladiola was studied by meansof electron beam.
    用电子束辐射唐菖蒲种球,研究唐菖蒲的诱变育种。
  5. We found a recessive cataract mutation arose spontaneously in a KUNMING outbred mouse strain.
    研究遗传性白内障致病基因,实验动物模型是一个非常好的方式。
  6. Abstract: Technique of mutation breeding in gladiola was studied by means of electron beam.
    摘 要: 用电子束辐射唐菖蒲种球,研究唐菖蒲的诱变育种。
  7. JianYang Tangelo,a new citrus hybrid cultivar,originated from a bud mutation of a tangelo cultivar introduced from abroad.
    建阳橘柚是从国外引进的橘柚品种中通过芽变选育成的杂柑类新品种。
  8. CodonCode Aligner is a program for sequence assembly, contig editing, and mutation detection, available for Windows and Mac OS X.
    DNA测序trace图编辑、突变分析、contig编辑、序列拼接软件。
  9. Because ELN mutations cause vascular disease but not cognitive abnormalities, these data implicate LIMK1 hemizygosity in imparied visuospatial constructive cognition.
    因为ELN突变引起血管的疾病,但没有认知的异常,这些资料暗示了激酶1半合性基因在视觉空间建构认知障碍中的作用。
  10. At least some of the mutations responsible for this loss of vision differed between the 29 populations of cavefish known to exist.
    目前现存的29种洞穴鱼,其眼盲亦与这些突变有关,但是其基因突变的位置并不相同。
  11. This indicats that gamma ray irradiation can increase the frequency of mutations and produces special types of flower in Godetia grandiflora breeding.
    花色变异主要是颜色变浅,甚至变为白色。花瓣变异可由原来的单瓣变为重瓣花。
  12. Results Of the 23 mutations, 22 were detected by heteroduplex analysis (96%), 20 by SSCP analysis (87%) and 23 by heteroduplex-SSCP analysis (100%).
    结果23个杂合子突变中ˇ异源双链法、SSCP法与异源双链-SSCP法检出突变分别为22个(96%)、20个(87%)和23个(100%)。
  13. The mutation potential of ethephon was by investigated the micronucleus test of bone marrow polychromatophilic erythroblasts (PCE) cells and sperm shape abnormality test in mice.
    摘要为测定乙烯利对人体健康的影响,采用小鼠骨髓细胞微核试验和小鼠精子畸形试验分别检测了乙烯利对小鼠体细胞和生殖细胞的致突变性。
  14. CONCLUSION: Base pair substitution mutation and frame shift mutation were caused by folpet in Ames test.And DNA breakage in human PMNC might be induced by folpet.
    灭菌丹可引起鼠伤寒沙门氏菌碱基置换和移码突变,并可能损伤人外周血淋巴细胞DNA的完整性。
  15. Allelotype analysis was done at five short tandem repeat markers (D17S855, D17S1322, D17S1323, D17S1326, and D17S1327) in or adjacent to BRCA1 on the recurrent mutation carriers.
    对发现携带有相同突变的个体选取5个与BRCA1基因连锁的标记(D17S855、D17S1322、D17S1323、D17S1326和D17S1327)进行单倍型分析。
  16. Recent studies indicate an increased frequency of mutations in the gene encoding glucocerebrosidase (GBA), a deficiency of which causes Gaucher's disease, among patients with Parkinson's disease.
    最近的研究表明,在帕金森患者的脑苷脂(GBA)基因编码中突变频率增加。脑苷脂的缺乏可导致高歇氏病。
  17. A mutant, TS-N-121 was obtained by mutation and plate screening from a parent strain Mycobacterium fortuitum MF2 , which could transform sterol into androstanedione as the main product.
    从雄甾二酮的转化产生菌偶发分枝杆菌MF2出发,经紫外诱变结合平板筛选,获得一株主要转化生产睾酮的突变株TS-N-121。
  18. Liver function tests and hepatitis B virus (HBV) DNA (Versant 3.0) were assessed bimonthly, whereas adefovir-related mutations were searched by INNO-LiPA assay at baseline and at yearly intervals.
    我们评估了阿德-拉米联合治疗能否克服这种风险。
  19. Sandhoff results from a genetic mutation that reduces the body's supply of an enzyme, called hexosaminidase ("hex"), used by brain cells to metabolize excess fatty material called lipids.
    由基因突变导致的山德霍夫氏病会减少体内的一种叫做己糖胺酶的供应,而脑细胞用它来代谢过多的脂质。
  20. In contrast to simplistic expectations, the total amount of protofibrils and the amount of permeabilizing activity per mole protein in the protofibril fraction were reduced by the E46K mutation.
    与过分简单化的期望相反,E46K突变减少了原纤维的总数和有孔道样结构的原纤维数。

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原声例句
VOA慢速英语_美国

The newly identified strain of the coronavirus has many mutations.

新发现的冠状病毒毒株有很多突变

BBC 听力 2021年4月合集

Researchers said they found no mutations that were linked to radiation.

研究人员表示,他们没有发现与辐射有关的突变

经济学人-科技

Dr Abe's plan is to use these mutations to create salt-tolerant rice.

阿部知子博士计划利用变异制造出耐盐的大米。

VOA Special 2022年8月合集

Such adaptations include gene mutations that shift the way penguins see the world.

这种适应包括改变企鹅看世界的方式的基因突变

VOA Daily Standard 2021年1月合集

A former CDC official says there are nearly two dozen mutations of the coronavirus already.

一位疾病预防控制中心的前官员称,冠状病毒已经出现近二十种突变

Osmosis-内分泌

Genetic tests for known gene mutation associated with Kallmann syndrome can also be done.

也可对已知与Kallmann综合征相关的基因突变进行基因检测。

当月 VOA Special English

But, Damiano noted, heirloom kinds seem more likely to have this genetic mutation than hybrids.

但是,达米亚诺指出,传家宝番茄似乎比杂交品种更有可能发生这种基因突变

十万个为什么

It's caused by a rare genetic mutation in bengal tigers that gives them white fur.

这是由孟加拉虎的一种罕见的基因突变引起的,这种突变使它们的毛色变白。

VOA慢速英语_科技

This tool was designed to study gene mutations that can cause human disease.

该工具旨在研究可能导致人类疾病的基因突变

科学洞察双语版

Those with the mutation produce lactase throughout their lives.

有这个突变基因的人一生都可以生成出乳糖酶。

中文百科

突变

突变成不同色的大花马齿苋

突变(法语,德语,英语:Mutation,即基因突变)在生物学上的含义,是指细胞中的遗传基因(通常指存在于细胞核中的脱氧核糖核酸)发生的改变。它包括单个碱基改变所引起的点突变,或多个碱基的缺失、重复和插入。原因可以是细胞分裂时遗传基因的复制发生错误、或受化学物质、基因毒性、辐射或病毒的影响。

突变通常会导致细胞运作不正常或死亡,甚至可以在较高等生物中引发癌症。但同时,突变也被视为演化的“推动力”:不理想的突变会经天择过程被淘汰,而对物种有利的突变则会被累积下去。中性突变(neutral mutation)对物种没有影响而逐渐累积,会导致间断平衡。

英语百科

Mutation 突变

Prodryas persephone, a Late Eocene butterfly
A covalent adduct between benzo[a]pyrene, the major mutagen in tobacco smoke, and DNA[26]
Illustrations of five types of chromosomal mutations.

In biology, a mutation is a permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements. Mutations result from damage to DNA which is not repaired, errors in the process of replication, or from the insertion or deletion of segments of DNA by mobile genetic elements. Mutations may or may not produce discernible changes in the observable characteristics (phenotype) of an organism. Mutations play a part in both normal and abnormal biological processes including: evolution, cancer, and the development of the immune system, including junctional diversity.

近义、反义、联想词
近义词
n.
organism, being, change, alteration, modification

联想词
allele等位基因;alleles对立形质;gene基因,遗传因子;phenotype显型;genetic遗传的;genotype基因型;mutant突变体;recombination再结合;polymorphism多型现象, 多态性;mutants突变体;chromosomal染色体的;
英英词典
mutation n.
  1. (biology) an organism that has characteristics resulting from chromosomal alteration

  2. synonymous: mutant, variation, sport
  3. (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism

  4. synonymous: genetic mutation, chromosomal mutation
  5. a change or alteration in form or qualities
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更新时间:2025/6/18 7:16:13