多态的

Based on the higher alcohols and lactic acid metabolism theory, a method was developed to low higher alcohols capability Saccharomyces cerevisiae strains by screening high lactic acid dehydrogenization enzyme activity in this study.

本研究对Y1110菌株及其出发菌株、突变等株16株不同来源的酵母菌株进行全基因组RAPD分析，建立并优化了酵母RAPD扩增体系和分型系统，从20条随机引物中筛选出了3条具有较好的扩增多态性，共扩增出34条RAPD谱带，多态性为85.3％；获得了稳定清晰的RAPD指纹图谱。

The inter-simple sequence repeat approach was employed to detect the genetic diversity of 12 Eichhornia crassipes collected from different water area in Fujian Province.

在建立内部简单重复序列分析方法的基础上，以采自福建省主要河流和福州内河的12份水葫芦样本为材料，筛选出20个可扩增出清晰且具多态性片段的ISSR随机引物，通过PCR扩增，探讨其遗传多态性和亲缘关系。

Results It was able to analyze the DNA polymorphism using 15 polymorphic microsatellite loci between Macaca mulatta and Macaca irus. The allele numbers were more than 7, and there were differences in 11 allele numbers between the two groups.

结果 筛选的15个具有显著多态性的微卫星DNA位点对恒河猴和食蟹猴种群可以进行DNA多态性分析，其等位基因数目均在7个以上，且两群体间有11个位点的等位基因数存在一定的差异。

To investigate distribution of gene mutations in LPL exon 9 in Chinese population and to study the possible effects of the mutation on plasma lipids, variants were screened by PCR-SSCP and DNA sequencing. Ser~(447)→stop polymorphism was identified by PCR-RFLP . the plasma lipids in stop447 carrier group and stop447 noncarrier group were compared and analysis.

为探讨中国人群LPL基因外显子9常见突变的种类、频率以及其可能产生的影响，我们利用聚合酶链反应-单链构象多态性分析和DNA测序技术及PCR-RFLP技术检测出我国人群的LPL外显子9基因突变、基因型和等位基因频率，确定了中国人群Ser~(447)→stop这一多态性位点。

The genotypic polymorphism and polygenetic affinities of intergenus, interspecies and intraspecies among 21 strains from 6 yeast genus were studied with random amplified polymorphism DNA analysis.

采用随机扩增多态性DNA分子标记对6个属的21个酵母菌株的基因组DNA的多态性进行了研究，并采用聚类分析法评价它们之间的亲缘关系。

By the method of polymerase chain reaction-single strand conformation polymorphism, this paper studied the genetic polymorphism of exon 1 and intron 1 in the aquaporin gene of seven species of Stipa in the meadow steppe, typical steppe, and desert steppe of Inner Mongolia.

以分布于内蒙古的草甸草原、典型草原、荒漠草原上的7种针茅属植物为材料，利用聚合酶链反应－单链构象多态性方法，分析了水孔蛋白基因的外显子1和内含子1的遗传多态性。

Objective: The purpose of this study is to investigate the relationship between the insertion/deletion polymorphism of the angiotensin- concerting enzyme gene and congenital heat disease and to ques the predisposing gene of congenital heart disease by analyzing the polymorphism of the ACE gene of the patients of congenital heart disease. So that we can intervene earlier and reduce the incidence of congenital heart disease.

目的 通过对先天性心脏病患儿血管紧张与转换酶基因多态性的分析，探讨血管紧张素转换酶基因插入/缺失多态性与先天性心脏病的关系，寻找与先天性心脏病发病有关的易感基因，以便及早进行干预，减少先天性心脏病的发病率。

Ob j ect i ve To reveal the relationship between PON-1 Q/R polymorphism, serum PON-1 activity and T2DM complicated by CAD in Chinese Han ethnic group and to provide objective evidence in the prophylaxes and management of T2DM complicated by CAD.Methods The subjects of the study consist of four groups:(1) T2DM group (22 men and 14 women, mean age 56 ?8 years);(2) CAD group (35 men and 6 women, mean age 60 ? 13 years);(3) T2DM complicated by CAD group(14 men and 13 women, mean age 66 ?9 years);(4) normal-control group(21 men and 12 women, mean age 57 + 11 years).

目的与方法本研究应用聚合酶链式反应—限制性片段长度多态性方法鉴定天津地区汉族人单纯T2DM患者36例、单纯CAD患者41例、T2DM合并CAD患者27例和正常对照组33例的PON-1 Q／R基因多态性的基因型，并测定血清PON-1活性，探讨PON-1在T2DM并发CAD中的作用，为该病的防治提供客观依据。

The AFLP technology has been used in wheat, paddy rice, corn, soybean and cotton etal., Moreover, AFLP has been used widely in vegeTabs (potato, tomato, chick-pea and so on), forestplants and Arabidopsis.

以上多数作物的研究结果均表明，AFLP所产生的多态性远远超过了RFLP、RAPD等，目前被认为是DNA指纹图谱技术中多态性最为丰富的一项技术。

Sorghum genome DNA had been transfered into rice variety via pollen tube pathway. In this paper, the molecular verification was performed by SSR technique. The result shown seventeen of sixty pairs of primers can reveal polymorphisms among donor, receptor and their stable offspring. Same bandings were amplified between donor and some offspring.

从60对SSR引物中筛选出17对，对供体高粱、受体水稻及其外源DNA导入后代稳定材料进行了分子验证，结果表明供体高粱与受体水稻间存在多态性、受体水稻与后代稳定材料间出现多态性，供体高粱与部分后代稳定材料间出现相同的扩增带，部分供体与受体共有的特征带在后代中消失、而有些后代出现了供体和受体均没有的扩增带。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。