查询词典 recombination

Results The reconstructed results successfully reappeared three dimensional structure of fasciculus inside the sciatic nerve and showed the topographic anatomy of every nerve fascicle and its relationship in arbitrary sections, and presented patterns of complicated recombination of nerve bundles in the whole length.

结果 三维重建真实地再现坐骨神经内部各神经束的三维立体结构，并可显示坐骨神经中神经束的任意断面及其全长的解剖结构与相互关系，形象地展示坐骨神经内部神经束的复杂重组过程。

With the development of DNA recombination, the gene therapy is developed fastly.

重组DNA技术的发展使肿瘤的基因治疗成为可能。

Genes important for male gametogenesis involved in highly con-served landmark events such as meiotic recombination, formation of the synaptonemal complex, sister chromatid cohesion, spermiogenesis during postmeiotic stages, and checkpoints and factors required for the meiotic cell cycle .

精子发生中的重要基因与一系列精子发生过程中阶段性的细胞事件密切相关，例如减数分裂重组、联会丝复合物的形成、姊妹染色体的结合、减数分裂后精子的变态以及减数分裂周期中的关键点和必需因子等。

These three decay components were assigned to the transitions from excited states of unligated haemoglobin (HbⅠ^*, HbⅡ^*) and fast geminate recombination of O2 and Hb, respectively.

比较发现胡萝卜醛在甲醇中的瞬态吸收光谱红移，且S1态寿命变短，经分析认为是C=O基团的作用。同时表明SVD方法是处理飞秒时间分辨瞬态吸收光谱有效的工具。

However, whether these bands caused by recombination were hard to perorate owing to the analysis method restriction. 2. Isozyme mean proportion of polymorphic loci and the average heterozygosities of gynogenesis population in Paralichthys ohvaceu were 6.90% and 0.03 50 respectively.

牙鲆雌核发育群体同工酶的Ldh-C，Cat两个基因座位发生了重组，基因座位与着丝点之间的重组率分别为52.6％和29.8％；雌核发育群体RAPD分析发现136 个DNA片段中有22个发生基因分离，但由于研究方法的局限，不能确定是否发生基因重组。

Recombination suppression in the sex-determining region and accumulation of deleterious mutations lead to degeneration of the Y chromosomes in many species with heteromorphic X/Y chromosomes.

这个问题一直困扰着科学家，在2008年最后一期的世界著名杂志《基因组研究》上，王秀娥和张文立博士发表了《番木瓜原始Y染色体的雄性特异区中DNA甲基化和异染色质化》的研究论文，初步揭示了性染色体的起源变化机制。

The heterozygote genotypes in F2 population in this type of species are different from those in general species in which the genetic recombination occurs in meiosis of both male and female.

这类物种的杂交F2群体中杂合子基因型的与一般物种中雌雄个体的减数分裂细胞都发生遗传重纽的F2群体杂合子表型不同。

But in hexaploid triticale x common wheat, they rely on the chromosome breakage and recombination.

而在其反交中，外源基因的导入则更多依赖于染色体的断裂与拼接。

Meanwhile, the efficiency of deleting different sizes of DNA fragment by homologous recombination technology has also been studied.

同时对利用同源重组技术敲除不同大小的DNA片段的效率进行了研究。

The aim of this research is to improve the method of baculovirus DNA preparation used for homologous recombination.

改进用于同源重组研究的制备杆状病毒DNA的方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。