查询词典 mutation

"These genetic processes of mutation and genetic reassortment occur all the time," he said,"and every once in a time, it's a lottery winner."

&一直以来，这些基因都在不断的突变与重组，&他说，&而且每一次变化，它都是赢家。&

Dynamic gene mutation and the reassortment of genes have been considered as the key factors responsible for influenza A virus virulence and host tropism change.

动态的基因突变和基因重组被认为是流感病毒A的致病性和宿主趋向性改变的关键因子。

The rate of polygenic and recessively inherited diseases tends to increase with inbreeding, because the chance that the two animals carry the same mutation is greater when the dogs are related.

同系繁殖产生遗传病的比例比较大，因为关系较近的两只犬携带相同变异基因的可能性较大。

Conelusion:Missense mutation of Tyr486Asp in Exon 5 of UGT1A1 gene is the pathogenic factor of the CN Ⅱ case in the family and recessively inherited.

Tyr486Asp突变是本例CN—Ⅱ家系的致病性基因，该突变不影响UGT1A1基因启动子区苯巴比妥酸的应答元件，其遗传规律符合常染色体隐性遗传。

The polysaccharide of Gloipeltis furcata could bate puny core ratio and sperm abnormalityratio arose by CP and the polysaccharide had the visible function in restrainability of the mutation.

海萝多糖对由环磷酰胺诱发的微核率和精子畸形率也有着显著的抑制作用，具有很好的抗突变作用。

Therefore, we selected the 5 genes, as well as SMTN gene related to human cardiovascular diseases, for chromosomal mapping, CDS cloning and analysis, spatio-temporal distribution, mutation riddling, and association analysis with production traits of 3 porcine populations. We expect to know the structure and function of these 6 genes primarily, and supply data for porcine marker assistant selection of improving meat production.

因此，本研究选择NADH呼吸链相关基因，以及与人类心血管疾病相关的SMTN基因，以猪的骨骼肌为研究对象，用人×仓鼠体细胞杂种克隆板进行6个基因的染色体定位、CDS克隆和序列分析、用半定量RT-PCR进行时空表达谱分析、进行突变位点的筛选、并利用3个猪群的产肉性状资料进行基因型与性状的关联分析，以期初步了解这些基因的结构和功能，并为改进猪产肉性能的标记辅助选择提供资料。

It has been noted that mid-19th century catalogs mention a red (ie."roter") mutation of that variety.

它已经指出， 19世纪中叶目录提红色(即& roter &)的突变品种。

The effect of crossover and mutation on schemata is described.

证明了一个基于图文法表示机制的遗传算法模式定理，描述了交叉和突变对模式作用的效果。

Objective To study the gene mutation characteristics of patients with spinocerebellar ataxias in Ningxia region.

目的 研究宁夏地区脊髓小脑性共济失调患者基因突变的特征。

We investigated the clinical features and gene mutation in a pedigree of spinocerebellar ataxia.

对一脊髓小脑性共济失调(Spinocerebenllar ataxia， SCA)家系的患者进行临床特征及相关基因突变研究。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。