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遗传性状

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Complex traits, such as ABI, are influenced by a large array of genetic and environmental factors and their interactions.

复杂性状,如ABI的,是受大型阵列的遗传和环境因素及其相互作用。

The conclusions based on the above research and analysis were: space mutation brought not only variation of agronomist characteristics of rice, but also variation of resistance to blasts, and the variation was able to become genetic stable.

上述研究结果表明:空间诱变不但能够使水稻农艺性状产生变异,而且能够使抗性产生变异,同时这种变异能够稳定的遗传下来。

The yield, quality, resistance and chromosome characteristics of the hybrids were analyzed, and the improvement of the grasses using gene introgression, androgenesis and genetic modification methods was introduced. The latest advance in GISH, genetic map construction and QTL of Festulolium hybrids were described here.

本文总结了黑麦草羊茅杂种高产、优质、抗性强的优势;分析了杂种染色体配型特点;重点介绍了通过基因渗入、雄核发育和转基因手段改良牧草的方法;对黑麦草羊茅杂种基因组原位杂交、分子标记和遗传图谱建立、数量性状位点分析等分子遗传学的最新研究进展进行了综述。

This paper pointed out that the essential of geoherbs is continuers quantities variation at population level, geoherb's populations are different in gene frequency with the others'; geohersm are quantitative trait loci controlled by multi-gene or combination with multiple-gene and major gene at individual level.

指出道地性的遗传本质在居群水平通常是个量变的过程,它与种内其他非道地药材区别主要表现为居群内基因型频率的改变;在个体水平表现为微效多基因控制的数量遗传,或是微效多基因和主基因联合控制的数量性状。

At the same time, fiber strength and micronaire would be improved with paying attention to the selection of high lint index. For Yuncheng, the key was to make the period from sowing to flowering long properly for improving the fiber length of short season cotton.

早熟性平均狭义遗传率,安阳点为46.0%,运城点为10.9%,石河子点为12.3%,棉株各性状的综合遗传率总体趋势是:安阳最高,其次为运城,石河子最低。

The result showed there existed significant differences among families in seedling growth, dry matter accumulation, leaf shape as well as root parameters at high and low nitrogen levels. Remarkable reduction in seedling height, dry matter accumulation, leaf and root parameters were observed under low nitrogen stress, whereas larger proportion of photosynthesis production was allocated into roots to promote nitrogen absorption. Family variation in seeding growth, leaf and root parameters were increased under low nitrogen stress in comparison with high nitrogen level, which would be benefit to discriminate superior L. chinense families with high nitrogen efficiency. Nitrogen efficiency of different L.

结果表明:不同氮素水平下,马褂木苗的生长、干物质积累、叶片和根系等性状皆存在显著的家系遗传差异;低氮胁迫将显著抑制马褂木苗叶片发育和根系生长,影响苗高生长和干物质积累,但低氮素水平下生产的光合产物则较多地分配至地下根系部分以促进对氮素的吸收利用;与高氮处理比较,低氮胁迫加大了苗木生长、叶片和根系参数等家系遗传分化,有利于鉴别高氮效率的马褂木优良家系。

The purpose of this laboratory is to train undergraduate students with practical genetics, including the basic principles of genetics, inheritance of pea traits, root tip chromosomes, Drosophila salivary polytene chromosomes, meiosis, statistical methods, bacterial antibiotic resistance, plasmid isolation, restriction, and gel electrophoresis, blood type, and human genetics.

遗传学实习 1 必陈福旗,戴国兴本课程之目的,在使学生透过实际操作与试验,了解遗传学之原理,实验内容包括:碗豆七个性状遗传,植物根尖染色体观察,果蝇唾腺染色体,减数分裂,统计方法,细菌抗药性,质体之抽取及限制酵素切割及电泳分离,血型,人类遗传。

The broad heritability of yield per plant was the highest, and that of seed number per pod was the lowest.

3性状遗传力中以单株产量的广义遗传力最高,角果粒数最低。

There was genetic differentiation among the populations and these differentiations were related with their environments.

结果表明,2种豚草种群内遗传变异丰富,每个形态性状均具有丰富的多态性,种群间存在着一定的遗传差异,且这些差异与其生态环境有一定的关系。

Cytoplasm is the environment of gene expression, and mitochondrion provides the energy to support the biochemical reaction.

各个遗传系统,包括核基因组、线粒体基因组以及叶绿体基因组在复杂性状的遗传表达以及杂种优势形成中均可能发挥重要的作用。

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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.

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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。