查询词典 polymorphic

Objective: Presymptomatic gene diagnosis of autosomal dominant polycystic kidney disease families by PCR Methods: Genomic DNA were extracted Highly polymorphic microsatellite markers(SM7, AG2 5, KG8, CW2) linked to the PKD1were amplified using PCR Ten ADPKD families (104 members,including 28 affected) were analysed Results: Nine children were diagnosed with presymptomatic gene diagnosis ,although all children presented a negative ultrasonic diagnosis Conclusion: The presymptomatic gene diagnosis ...

目的：应用PCR方法对常染色体显性遗传性多囊肾病家系进行症前基因诊断。方法：用PCR扩增与PKD1位点连锁的的高度多态性的微小卫星体DNA（SM7，AC2.5，KG8，CW2）为遗传标记，对10个ADPKD家系的104个成员（包括28个患者）找出染色体上与疾病连锁的单体型，进行连锁分析。结果：对9个无临床症状，且B超检查呈阴性结果的儿童做出了症前基因诊断。结论：能够应用PCR方法对ADP－KD家系成员快速、准确地做出基因诊断

The10 primer combinations were high polymorphic primers, which could be applied widely on Pyrus L.By AFLP technique.

所选出的引物组合共扩增出371个位点，其中多态性位点306个，占总位点数的82.5%，每个引物组合扩增的位点数变化在23-55个之间，平均37.1个。

An optimal random amplified polymorphic DNA reaction system was established to analyse the relationships among Zhongbao pear and other pear cultivars. The cluster analysis results were as follows: Pyrus communis L.

通过建立梨RAPD反应的优化体系对棕包梨和其他梨品种进行聚类分析，探讨了它们之间的亲缘关系。

Results (1) From more than 100 primers, 11 primers producing polymorphism and reproduceable bands were selected, 129 bands were amplified.(2) The percentage of polymorphic bands within different populations were 20.9%-55.0%.(3) The cluster map including all samples were obtained by UPGMA. In the map, there were six cluster groups and three individuals outside the groups. The branch with five samples of Zhongjiang Sichuan population were far from other samples in genetic distance.(4) According to the distribution provinces five groups were divided in genetic variance analysis. Genetic variance 80.44% existing within population, 8.29% among populations and 11.27% among groups.

结果 （1）从100多个引物中选择出11个多态性强和重复性好的引物，扩增得到129条带；（2）不同居群内多态位点比率为20.9%－55.0%；（3）用UPGMA法得到所有样本的聚类图，可分为6个主要分支组和3个组外个体，其中四川中江居群的5个样本聚为一组，并与其他样本遗传距离较大；（4）按产地分组，遗传差异的80.44%存在于居群内，8.29%来自于组内居群间，11.27%的遗传差异来自于组间。

Among the present co-authors, Pimenov and Kljuykov favor a classification where Eriocycla and Libanotis are included within an expanded, polymorphic Seseli , whereas She and Watson prefer to retain these as separate genera pending further research.

在本书的合作作者中，Pimenov和Kljuykov支持把Eriocycla和Libanotis置于一个较大的、多态的Seseli属内，而She和Watson倾向于把他们保留作单独的属等待进一步的研究。

All of the 58 restriction endonucleases were used to investigate the mtDNA diversity. Four restriction endonucleases, DraⅠ、SnaBⅠ、SspⅠ and Vsp Ⅰ, were polymorphic. Based on presence or absence of the the 215〓 SspⅠ site, all of the 13 mtDNA sequences were divided into two groups.

利用DNAClub软件对AT富集区和tRNA〓基因的DNA序列进行了模拟酶切，所有的58种内切酶中有10种内切酶在13个材料中有酶切位点，仅4种酶DraⅠ、SnaBⅠ、SspⅠ和VspⅠ表现出多态性，且主要位点差异在于SspⅠ酶切位点的有无（序列的第215位的C/T）。12个品种中有4个品种（豫早1号、豫早2号、鲁红、33）没有此酶切位点，另外8个品种有此酶切位点，野柞蚕也没有此酶切位点。

Spreng was much more simple and efficient than the conventional methods. And the extracted DNA was suitable for the polymorphic analysis based on PCR, such as ISSR-PCR.

通过琼脂糖凝胶电泳和OD260/OD280比值测定，所得基因组DNA纯度高，可作为ISSR等以PCR为基础的DNA多态性标记。

The genomic DNA of 31 accessions of genus Tagetes was amplified with 11 primers, the bands produced by each primer ranged from 5 to 11, and 6.8 bands were obtained on average, the polymorphic loci ranged from 40%-100%.

用11个引物对31份万寿菊属材料进行PCR扩增，每个引物扩增的ISSR条带数在5-11条，平均每条引物能扩增出6.8条带，多态位点百分率为40%-100%。

In this paper genetic diversity and differentiation of 3 natural populations of Tamarix chinensis, one of the main predominated tree species in Yellow River Delta, were studied using random amplified polymorphic DNA techniques.

采用随机扩增多态DNA分子标记技术，分析了黄河三角洲主要优势树种之一柽柳3个天然群体的遗传多样性及遗传分化。

Random Amplified Polymorphic DNA was used to evaluate intra-and inter-strains genetic diversity and the special genetic marker of frog Rana tigrina rugulosa arid frog R.

本文应用RAPD技术，研究了中国虎纹蛙和泰国虎纹蛙R。

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。