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- At species level, the percentage of polymorphic loci (PPL) was 92.77%, the effective number of alleles per locus (Ne) was 1.4636, Nei's gene diversity (H) was 0.2316, and Shannon's information index (I) was 0.4275, respec-tively. 黄檗物种水平的遗传多样性高于种群水平:在物种水平上;多态位点百分率PPL=92.;77%25;有效等位基因数Ne=1
- The Nei's genetic diversity index (He) is 0.1862 for RAPD, 0.1527 for ISSR and 0.2595 for AFLP respectively. Nei’s基因多样性指数(He)为:RAPD:0.;1862;ISSR:0
- A species diversity index(SDI), which is difined in Eq. (1-2). 种类多样指数(SDI)可由式(1-2)求得。
- The bird diversity index is 1.2399 and evenness index was 0.7271. 该区人工林中鸟类的多样性指数为1.;239 9。 均匀性指数为0
- The gene diversity and non random association of two DH groups showed larger mean gene diversity and smaller non random association (R 2 value). DH系的中间型表现主要是因为籼粳基因组交换重组增加了群体平均基因多样性及降低了群体的非随机组合R2值。
- At present, the ethical problems of human genome research focus on three aspects: gene privacy, gene discrimination and gene diversity. 目前人类基因组研究的伦理问题聚焦在基因隐私、基因歧视和基因多样性三个方面。
- An example is the S/ s gene, which determines pin( s) and thrum( S) style length in certain species of Primula. 例如报春属植物中决定花柱长短为针式型()还是线式型()的S/基因。
- There was no significant difference of diversity index between the tree layer and the shrub layer. 乔木层与灌木层之间多样性各项指标总体无显著差别。
- Therefore, the decrease of microbial diversity index with age was one reason why the quality of H. lupulus decreased. 随啤酒花植龄的延长,土壤微生物数量的变化,特别是微生物多样性指数的减少,可能是啤酒花品质下降的原因之一。
- Subtypes ad-w and adr are the major types in Sunan area. S gene sepuence of HBV has its variability, especially in subtype adw. HBV-S基因(“a”决定簇)序列存在多态性,其中adw亚型略为明显。
- The species diversity index of second generation stand was small higher than the first . 二代林分乔木层物种多样性指数、均匀度比一代林分略大;
- The index dissatisfying with average rarity is named as marginal diversity index. 将不满足平均稀有度的指数称为边际多样性指数。
- This review introduced the structure 、biologic activities and their mechanism of SAK, SAK’s gene cloning and expression research concerned. 本文从SAK的结构、生物学特性及机理、基因克隆及表达方面的研究进展等方面进行了综述。
- The variational trend of diversity index is county center> south >northeast> northwest. 多样性的变化趋势是中部>南部>东北部>西北部。
- The diversity index of zooplankton increased with the increase of macrophyte biomass. 随着湖泊水草生物量的增加,浮游动物的多样性指数也随之而增加。
- Result: The positive ratio of HBV DNA (X gene and/or S gene) is 73.1% in HCC group (49 of 67), 78.6% in CCC group (11 of 14), and 26.9% in normal control group (7 of 26). HBv DNA(x基因和/或S基因)阳性率:HCC组为73.;1%25(49例167例),CCC组为78
- The diversity index and species richness index of original vegetation in Karst area are lower than in nonkarst area. 石灰岩地区原生植被生物多样性和物种丰富度指数较砂页岩地区的原生植被低。
- It was proved that plasmid pZ/EG-AS was effective and there was no gene seepage, only with the participation of Cre recombinase, S gene could be activated to express. 3. 结果表明:质粒pZ/EG-AS不存在基因渗漏现象,只有在Cre重组酶的参与下才能激活S基因表达。
- Number of species and individuals, species diversity index and evenness, and proportion of wader birds decreased from bay-mouth to bay-head, and was lowest in midbay. 其中湾口的水鸟物种数、个体数量、多样性指数、均匀度指数以及涉禽所占比例均为最高,湾底次之,湾中部最低。
- Gene diversity in the striped stemborer population hosted on zi:ania /ati/b/ia was higher than thathosted on oryza sat/va. Genetic distance between different hostpopulations was very small. 茭白二化螟群体内遗传多样性高于水稻二化螟群体内的遗传多样性,群体间的遗传距离非常小。