查询词典 polymorphism

The above results indicated that hybridation combination, which selected based on the genetic distance of DNA polymorphism, can produce the excellent hybrid.

研究结果表明，采用DNA多态性遗传距离为依据组配的杂交组合，能够获得丰产性能更好的优良一代杂交组合。

Objective To investigate the association of leptin receptor gene A223G polymorphism with BMI and serum lipid levels in hyperpietic population of China.

目的 在原发性高血压人群中，探讨体质指数和血脂水平与瘦素受体基因A223G突变关系。

In this study,Amplified fragment length polymorphism analysis was carried out by using 23 pairs of EcoRI-NN/MseI-NNN selective primers in amplification of the DNAs from reciprocal F_1 hybrids of Cucumis hystrix Chakr.and C.

为了研究细胞质背景对基因组序列丢失的影响，利用23对Eco RI-NN/Mse I-NNN选择性引物对Cucumishystrix与栽培黄瓜C.sativus的正反交F_1、异源双二倍体及亲本DNA进行AFLP分析。

Objective to illucidate the pathogenesis of PCOS at molecular level by comparing the CYP17 a gene and INSR gene exon 17 polymorphism in PCOS patients and normal control group.

中文摘要：目的探讨PCOS患者CYP17α基因以及INSR基因1 7外显子的基因突变，从分子水平探讨PCOS的发病机理。

3Genetic factors play a major role inthe control of immune regulation,such as the expression of cytokines.An analysisof TNF〓 gene polymorphism in IgAN and HSP nephritis is beneficial to better un-derstanding of immunogenetic abnormalities in these diseases.But further inves-tigation on a large scale is necessary in order to find out the susceptibility genes orthe markers for a closely-linked susceptibility locus.

某些免疫相关基因是细胞因子表达、调控的决定因素，本实验通过〓基因多态性分析对部分肾小球疾病的遗传背景进行了有益的探索性研究，但是要最终找到致病基因或者连锁遗传标志，尚有待进一步的大规模研究。

In nuclear style families, to study the genetic association and linkage relationship and to provide the genetic basis information for the further research. Methods: We investigated the genetic structure and relationship of 116 Keshan Disease patients and 65 local normal people in Shaanxi province with HLA-DRB1 locus, which is characterized by high polymorphism and inheritage stability, with polymerase chain reaction-sequence specific oligonuclotide probe.

本研究选用具有高度多态信息量及遗传稳定性的人类HLA-DRB1遗传位点，以陕西118名克山病人及当地65名正常对照人群作为研究对象，用聚合酶链反应—序列特异性寡核苷酸探针的方法对其遗传结构及其相互关系进行了分析研究，并在核心家系中采用基于单体型的相对风险及传递不平衡检验对其遗传指标进行了统计计算。

There was higher insertional polymorphism in mangrove populations than inland populations, probably suggesting the activation of retrotransposons by stress and environmental factors.

不同种群的核苷酸多样性水平变化很大，但总的说来，马来半岛的种群核苷酸多样性水平最高，而琉球群岛的种群核苷酸多样性水平最低。

Methods the gene polymorphism of ACE in 108 patients were analyzed by using the polymerase chain reaction. Main renal arteries, segmental arteries and interlobar arteries in 108 patients were measured by color Doppler flow image.

用聚合酶链反应对甘肃地区108例糖尿病患者血管紧张素转换酶基因多态性进行检测，并对患者双肾肾主动脉、段动脉、叶间动脉进行彩色多普勒血流成像。

Specific amplified polymorphism analysis was carried out with these primers on a set of BB resistance isogenic lines and pyramided lines developed by IRRI.

进而用该标记体系对我国籼型杂交水稻常用的亲本材料进行分析，揭示出了Xa-4在这些材料中的分布情况。

Methods Using polymerase chain reaction-single strand conformation polymorphism, all the 41 exons of TSC2 gene were analyzed in 4 TSC cases (include 1 suspect case) from one family and 1 sporadic TSC case, and compared with the kin familial controls and kinless normal controls.

采用聚合酶链反应－单链构象多态性技术，对TSC一家系4例TSC患者（其中1例疑似）、1例散发性TSC患者外周血TSC2的41个外显子进行检测，并与家系中健康对照组和无血缘关系健康对照组进行比较。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。