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We construct a phylogenetics tree containing 20 species of ruminantia suborder according to the partial sequence of κ-casein gene exon Ⅳ(363bp in length), which shows good monophyly of the Bovidae.

依据κ-酪蛋白第4外显子363bp的片段构建了一个包含20个物种的反刍动物种系发生树，该种系发生树中牛科动物具有典型的单元发生关系。

The nucleotide divergences of exon were 0.90%-1.44% among three species of Muntiacus, 0.90%-1.26% between E. cephalophus and each of Muntiacus deer.

而内含子部分序列差异在麂属动物之间的差异为0～1.22%，毛冠鹿与麂属动物的差异为1.83%左右。

Partial sequences of chalcone synthase gene exon 2 were amplified by PCR method from genomic DNA of 10 species of the basal eudicots. After cloning and sequencing, 26 seqences were obtained.

用PCR方法从目前极少被报道的真双子叶基部类群10种植物的总DNA中扩增出CHS基因外显子2的部分序列进行分析，经克隆后测序，共得到26个不同的片段。

In this experiment Bamei cooperation pigs, three kinds of different Duroc pigs ear of the Organization for materials, the use of PCR-SSCp technology, pig LPL gene intron 4 and part of exon 5 to carry out a number of Analysis of state.

本实验以八眉猪、合作猪、杜洛克猪3种不同猪种的耳缘组织为材料，利用PCR-SSCp技术，对猪LPL基因第4内含子及部分第5外显子进行了多态性分析。

Direct sequence analysis of exon 17 showed that homozygous and heterozygous nonsense mutations were silent polymorphism at position 1058.

结果 发现11例外显子17和1例外显子20的异常电泳条带，外显子17的突变经顺序分析，为CAC1058→CAT1058的杂合和纯合多态性突变。

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。

In this study, the exon2 fragments of CHS genes in ferns, gymnosperms and angiosperms, a total of 22 fragments from 12 systematic families, were amplified successfully by PCR, and then sequenced (PCR amplification of the exon 2 from musci is in process).

本实验用PCR方法从蕨类，裸子植物和被子植物，共12个科中均成功地扩增了22个CHS基因外显子2片段（从藓类中扩增CHS基因外显子2的工作正在进行）。

Methods By using immunohistochemical fechnique, MDT-PCR-SSCP and direct sequencing the mP53 expression and point muta- tion in exon 6 of p53 gene in both Solt-Farber model and DEN-induced liver cancer model were detected.

通过DEN诱发的启动模型和肝癌模型，应用免疫组化、MDT－PCR－SSCP和直接测序技术分别研究mP53表达和 p53基因第6外显子点突变。

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 824 bp fragment of exon 2 of melatonin receptor 1A(MTNR1A ) gene was amplified successfully by PCR in both 10 ewes of nonseasonal estrous breed and 10 ewes of seasonal estrous breed, and then cloned into pGEM-T Easy vector.

对常年发情的绵羊品种小尾寒羊和季节性发情的绵羊品种多赛特羊共20只母羊的褪黑激素受体1A(melatonin receptor 1A，MTNR1A)基因外显子2的824 bp扩增产物进行了克隆测序及序列比较分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。