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  “亲本群”译为未确定词的双语例句
     Parental Cluster Analysis in Indica Hybrid Rice(Oryza sativa L.) by SSR Analysis
     利用SSR分子标记划分杂交籼稻亲本群的研究(英文)
短句来源
     Performing the reproduction of maize inbred lines as backcross population model,the procedure of purifying and reproducing maize inbred lines by the paternal line was designed,and significant advantages has been proved in the production of Mo 17.The genetic analysis of backcross population based on the laws of population genetics shows that the parameters of population genes ,genotypes and its frequency were determined by gene pairs and generations of genotypes.
     把玉米自交系繁殖纳入回交群体模式,设计了玉米自交系选型留雄(确立轮回亲本群)保纯繁殖程序,在Mo17保纯繁殖实践中应用收到良好效果,优越性突出。
短句来源
     These parameters generally tend to gradually become the same as those of its recurrent parent,after the transition of several generations. These result may provide strong support to the procedure of purifying and reproducing the inbred lines of maize by its paternel lines.
     运用群体遗传学原理,通过回交群体遗传分析,揭示了群体基因与基因型及其频率等参数取决于基因型的基因对数与世代数,总趋势是随世代的推移,逐步回归最终同一于其轮回亲本群的规律,对玉米自交系选型留雄保纯繁殖程序予以有力的理论支持
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  相似匹配句对
     Group B contains T.
     B由T .
短句来源
     HOMOMORPH-GROUP
     态
短句来源
     Study on heterosis groups of key parental lines in indica hybrid rice(Oryza sativa L.)in China
     我国常用杂交籼稻亲本杂种优势的初步研究
短句来源
     Classificatiion of Heterotic Groups of Two-line Hybrid Wheat Parents
     二系杂交小麦亲本杂种优势划分研究
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  parent flock
Both groups of birds originated from the same seronegative parent flock.
      
Strains originating from the layer parent flock also formed a separate cluster.
      
The frequency of vertical transmission in a parent flock influences the mortality rate in the progeny.
      
The layer parent flock isolates were grouped into two subclusters, each with similarity above 90%.
      
The parent flock was free from exposure to IBDV and to other infectious agents common to poultry.
      
  parent stock
Two consecutive year-classes (0+ and 1+ age fish) from the same parent stock were examined.
      
In a naked clone of the coccolithophorid Coccolithus huxleyi, growth at light saturation was 15% slower than in a coccolith-forming clone isolated from the same parent stock.
      
The parent stock of the first group had suffered stress in early life and had developed a phobic response to a specific stimulus, which they had transmitted to their offspring.
      
TheBrassica napus cultivar, Bronowski, has a low glucosinolate content in the seed and thus has considerable potential as a parent stock for the production of low glucosinolate rapeseed.
      
The running-wheel activity of young adult, male mice from all three Fuller brain weight lines and their parent stock (Binghamton HETS) was observed over an entire 1-week testing period.
      
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  parental groups
Each line was crossed reciprocally to one line from each of the parental groups, as well as producing purebred progeny.
      
Additive and heterotic effects are best estimated by allocating resources to the two parental groups and F1 in the proportions 35%, 35%, 30% and for many practical situations, an experiment involving numbers in the region 250-300 is reasonable.
      
Division into "mero"-subgroups opposes all these larvae to those of planktonic, neustonic and pleustonic forms developing within the "parental" groups and their environments.
      
The variance of individual mean directions in the F1 generation did not increase compared with the parental groups, and the inheritance of migratory directions was not sex-linked.
      
Cluster analysis indicated that parental groups were genetically divergent.
      
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Mature cones and twigs were collected from each of ten Chinese Arbor-vitae tree in 40 stands scattered throughout its geographic range. Twelve morphololcal and anatomical characters were studies in cones, seeds and tracheids from parents. All of characters showed significant differences among seed sources. Cone length is characterized by a latitudinal gradient, cone specific gravity contained gradual change from the northwest to the southeast and seeds in the west district were larger than others.According to...

Mature cones and twigs were collected from each of ten Chinese Arbor-vitae tree in 40 stands scattered throughout its geographic range. Twelve morphololcal and anatomical characters were studies in cones, seeds and tracheids from parents. All of characters showed significant differences among seed sources. Cone length is characterized by a latitudinal gradient, cone specific gravity contained gradual change from the northwest to the southeast and seeds in the west district were larger than others.According to the results obtained from clustering analysis and principal component analysis 40 Seed collecting localities were classfied into five geographic populations.

从侧柏分布区的40个种源中,采集枝条、球果和种子,测定了十二个亲本特征的地理变异,12个特征种源间都有极显著差异。不同特征的变异模式不一样,球果长、管胞长度呈现从南到北变短及球果宽变小趋势;球果比重从东南到西北增大;西部地区的种子最大。采用主分量分析与聚类分析,将侧柏分布区按亲本群变异划分成五个地理群。

Performing the reproduction of maize inbred lines as backcross population model,the procedure of purifying and reproducing maize inbred lines by the paternal line was designed,and significant advantages has been proved in the production of Mo 17.The genetic analysis of backcross population based on the laws of population genetics shows that the parameters of population genes ,genotypes and its frequency were determined by gene pairs and generations of genotypes.These parameters generally tend to gradually become...

Performing the reproduction of maize inbred lines as backcross population model,the procedure of purifying and reproducing maize inbred lines by the paternal line was designed,and significant advantages has been proved in the production of Mo 17.The genetic analysis of backcross population based on the laws of population genetics shows that the parameters of population genes ,genotypes and its frequency were determined by gene pairs and generations of genotypes.These parameters generally tend to gradually become the same as those of its recurrent parent,after the transition of several generations.These result may provide strong support to the procedure of purifying and reproducing the inbred lines of maize by its paternel lines.

把玉米自交系繁殖纳入回交群体模式,设计了玉米自交系选型留雄(确立轮回亲本群)保纯繁殖程序,在Mo17保纯繁殖实践中应用收到良好效果,优越性突出。运用群体遗传学原理,通过回交群体遗传分析,揭示了群体基因与基因型及其频率等参数取决于基因型的基因对数与世代数,总趋势是随世代的推移,逐步回归最终同一于其轮回亲本群的规律,对玉米自交系选型留雄保纯繁殖程序予以有力的理论支持

DⅦ stain parent population (New Taihu pig) with reproductive trait were selected in litter size for 5 generatives by efficient selection method and high intensive percentage of pigs used for breeding, the results showed that selected New Taihu pigs kept high reproductive trait, average litter size over 11 in first litter sow, and over 14 in piggy sow, breeding coefficient changed from 0% to 10.9%, but high breeding coefficient have not effect negatively for litter size.

通过组建具有高繁殖性能的亲本群、采用有效的选择方法以及高强度的留种率,对中国瘦肉型猪新品系(新太湖猪)进行了5个世代的产仔数选择。结果显示:产仔数头胎母猪在11头以上,经产母猪在14头以上,基本保持了太湖猪的高繁殖性能特点,选择群体的近交系数从0%上升到10.9%,对产仔数未产生明显的影响。

 
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