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This study aims to explore the following questions: differences of the genetic polymorphism among seasonal populations; differences of genetic diversity among four age groups and between two different gender populations; testifying the Ford and Chitty hypothesis; the relationship between the genetic diversity and geographic distance; the relationship between the genetic diversity and population density; edge effect on genetic diversity.

主要探讨以下问题:季节种群间遗传多态的差异;种群年龄组和性别间遗传多样性的差异;Ford和Chitty的假说;种群遗传多样性与空间距离的关系;种群遗传多样性与密度的关系;中心区、边缘区和半岛区种群遗传多样性的差异。

The result indicated that 237 combinations amplified a total of 13 079 AFLP fragments with an average of 55 fragments, the average of 1.30 markers per 1 000 AFLP fragments were found to be linked to clubroot resistant gene; the amplified polymorphic fragments were 3 167 between the two parents, account for 24 percent of polymorphic frequency; the number of amplified fragments and the number of polymorphic fragments was in positive linear correlation; GC content of AFLP primer combinations significantly affects the number of amplified fragments and the number of polymorphic fragments, indicating negative linear correlation between them.

结果表明:平均每个组合检测到55条带,共扩增13079条带,平均每1000条带检测到1.30个根肿病抗性基因连锁标记;多态性带数为3167条,双亲间多态性频率约为0.24;扩增带数与多态性带数呈线性正相关,引物组合中的不同GC含量与扩增带数和多态性带数存在显著性差异,并表现出线性负相关。

It showed that 14 microsatellites among all these microsatellites DNA loci, which could be amplified stably, displayed monomorphism among the different individuals of the same stain, but displayed polymorphism among the different stains. Each microsatellite DNA loci had 2-5 alleles. 129/Sv was more polymorphous than other stains at 14 microsatellite DNA loci, but TA1 and TA2 were polymorphous at only D9Mit23 loci.

结果表明14个微卫星DNA具有稳定扩增效果,在同一品系不同个体之间表现单态性;在不同品系之间表现多态性,在每一微卫星位点有2至5个等位基因。129/Sv与其余品系在14个微卫星位点都表现较高的多态性,TA〓与TA〓只在D9Mit23位点表现多态性。

Through hang together the simplex data model based on dissection and conventional GIS data model, we develop a integrated and polymorphic model, object oriented unified model of tessellated simplex and conventional GIS, which convenient to inherit and congregate. The model manage the abstracted data accord to 4 level factor, that is geometry object model, topologic geometry object view model and geography object model.

论文采用面向对象的方法把基于剖分的单纯形数据模型与传统的GIS数据模型结合在一起,提出并建立了一个便于继承、组合、多态的较完整的三维数据模型与结构一面向对象的单纯形剖分与GIS一体化三维数据模型。

EZFB Linux Frame Buffer API - EZFB is a polymorphic, object oriented Linux frame buffer API written in C, designed to adapt at run time to control any properly configured Linux frame buffer video system.

EZFB 是一个多态的,面向对象的用C开发的Linux帧缓存API,设计为在运行时适应控制任何正确配置的Linux帧缓存视频系统。

These primer combinations produced a total of 1 119 bands, 229 specific loci (including 54 absent bands, and 175 monomorphic bands). Among them, 983 polymorphic bands, accounting for 88%, were detected. The percentage of identification per primer combination was as high as 100%. The average PPB of 14 foreign cultivars was 35.86% and the average PPB of seven domestic cultivars was 31.51%.

结果表明:8对引物共产生1 117条谱带, 229个特异位点(其中缺失带54条、单态带175条),多态带983条,多态带的比例为88%;每对引物鉴别效率为100%。14个国外银杏观赏品种平均多态带的比例35.86%,7个国内品种平均多态带的比例31.51%。21个观赏品种之间相似系数为0.4899~0.8499。

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。

We show that over timescales ranging from 500~10000 years, allele frequency data for polymorphic allozymes reveal a consistent loss of genetic diversity along invasion routes, confirming the role of glacial refugia as centres of genetic diversity over these timescales, and that populations in the invaded range are more subdivided genetically than those in the native range of each species.

从500~10 000年的时间尺度上,多态的等位酶位点上等位基因频率的数据表明:1)遗传多样性沿入侵路线呈不断下降的趋势,支持了冰河期避难所作为遗传多样性中心的作用;2)入侵地区的种群与该物种原产地的种群相比,遗传上的分化更为强烈。

There may be synergistic action between D and T alleles in pedigreed primary hypertension.

结论家族性原发性高血压与ACE基因I/D多态性及CYP11B2基因T(-344)C多态性之间具有相关性。D及T等位基因频率增高是原发性高血压患者家族中ACE基因I/D多态性及CYP11B2基因T(-344)C多态性的分布特点。D及T等位基因可能在家族性原发性高血压遗传中起协同作用。

By cloning and sequencing those DNA fragments with polymorphisms we found 3 SNPs, they were as following: T→C in exon 3, G→C in introns 5,A→C in exon 6, in which A→C in exon 6 was non-synonymous substitution, it resulting in Thr→Arg.

对有多态的位点进行克隆测序,结果发现:外显子3中的一处碱基由T→C,是同义突变;内含子5中的一处碱基由G→C;外显子6中的一处碱基由A→C,是错义突变,导致苏氨酸变成精氨酸。

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