mutation 雅思GREGMAT

Gene mutations are alterations in the DNA code.

基因变是指DNA 密码改变。

Mild mutations in XPF cause the cancer-prone syndrome xeroderma pigmentosum.

XPF轻微变导致致癌倾向综合征着色干皮病。

Objective To identify the COL7A1 gene mutation in a family with dy strophic epidermolysis bullosa pruriginosa.

目鉴定一痒疹样营养不良型大疱表皮松解症家系基因变,为进一步开展基因诊断和基因治疗奠定基础。

Technique of mutation breeding in gladiola was studied by meansof electron beam.

用电子束辐射唐菖蒲种球，研究唐菖蒲诱变育种。

We found a recessive cataract mutation arose spontaneously in a KUNMING outbred mouse strain.

研究遗传白内障致病基因，实验动物模型是一个非常好方式。

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，研究唐菖蒲诱变育种。

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橘柚品种中通过芽变选育成杂柑类新品种。

CodonCode Aligner is a program for sequence assembly, contig editing, and mutation detection, available for Windows and Mac OS X.

DNA测trace辑、变分析、contig辑、列拼接软件。

Because ELN mutations cause vascular disease but not cognitive abnormalities, these data implicate LIMK1 hemizygosity in imparied visuospatial constructive cognition.

因为ELN变引起血管疾病，但没有认知异常，这些资料暗示了激酶1半合基因在视觉空间建构认知障碍中作用。

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29种洞穴鱼，其眼盲亦与这些变有关，但是其基因变位置并不相同。

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。花瓣变异可由原来单瓣变为重瓣花。

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个杂合子变中ˇ异源双链法、SSCP法与异源双链-SSCP法检出变分别为22个(96%)、20个(87%)和23个(100%)。

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致变。

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变，并可能损伤人外周血淋巴细胞DNA完整。

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.

对发现携带有相同变个体选取5个与BRCA1基因连锁标记（D17S855、D17S1322、D17S1323、D17S1326和D17S1327）进行单倍型分析。

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.

最近研究表明，在帕金森患者脑苷脂（GBA）基因码中变频率增加。脑苷脂缺乏可导致高歇氏病。

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变株TS-N-121。

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。

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.

由基因变导致山德霍夫氏病会减少体内一种叫做己糖胺酶供应，而脑细胞用它来代谢过多脂质。

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.

与过分简单化期望相反，E46K变减少了原纤维总数和有孔道样结构原纤维数。