查询词典 polymorphic modification

The genetic structure of biotype B and biotype Q was analyzed using random amplifIed polymorphic DNA markers here.

本文利用RAPD分子标记对烟粉虱B型和Q型不同地理种群的遗传结构进行了分析。

On the base of these, using the bourgeon of Jinhua Pear and its eighteen varied strains, genome DNA was abstracted, and polymorphic of RAPD was also studied.

并以金花梨18个变异单系的嫩芽为试材提取DNA，对其进行了RAPD分析。

Objective In order to improve the discrimination power and exclusion chance of polymorphic markers on chromosome Y, it is necessary to cast about for novel Y-STR loci and to develop a new method to genotype Y-SNP for forensic science.

目的 为了提高Y染色体遗传标记的个人识别能力和非父排除能力，寻找新的Y-STR和建立新一代遗传标记Y-SNP的检测方法十分必要。

The genetic variations and polymorphisms of six microsatellite loci were analyzed to determine the population structure and breeding progress of BMY and Brahman cattle. The range of polymorphic information content of six loci was 0.524～0.752. The unbiased expected and observed heterozygosity were similar and were 0.7376 and 0.7396,0.6412 and 0.6537 for BMY and Brahman cattle, respectively. The expected heterozygosity was relatively high in the second generation of BMY in inter se breeding, which was congruent with the breeding progress.

对6个牛微卫星座位的遗传变异及多态性分析，以期了解BMY牛和婆罗门牛的群体遗传结构与育成情况。6个微卫星座位的多态信息含量为在0.524～0.752间，BMY牛、婆罗门牛两个群体的平均期望杂合度和观察杂合度值接近，分别为0.737 6和0.739 6，0.641 2和0.653 7，进入横交固定第二世代的BMY牛期望杂合度值较高，这与我们的育种进展相符。

The result was not consistent with what was predicted by Chitty's polymorphic behavior hypothesis; aggressive behaviors of dyadic encounters were not correlated to body mass but to the difference of body mass negatively which means that there were more aggressive behaviors between dyadic encounters with similar body mass.

东方田鼠双冲突个体间的攻击水平与其体重的相关不显著，而与冲突个体的体重差异则呈显著的负相关，体重差异越大，冲突个体间的攻击水平越低。

As they are evenly dispersed throughout genomes, usually characterized as codominant and highly polymorphic systems amenable to genotyping by polymerase chain reaction, and generally inherited in a Mendelian fashion, microsatellites have become instrumental as genetic markers in many areas.

摘 要：微卫星标记广泛分布于原核生物和真核生物基因组中，具有密度大、多态性丰富、遵循孟德尔分离定律共显性遗传、易于PCR扩增等特点，已成为近年来最引人注目的新型DNA标记。

In all 22 loci detected, 18 and 11 loci are polymorphic between and within cultivar, respectively.

所使用的SSR分子标记共可侦测到21个基因座，其中有18个基因座在品种间表现多型性，有11个基因座在品种内表现多型性。

It was showed that the Richards polymorphic site index model could be directly derived by using the difference equation.

研究发现：利用差分方程途径可以直接推导出全新的Richards多形地位指数模型。

Twenty-two of these 143 polymorphic bands were found non-special, accounting for 15.4% of the total. It is assumed that they was caused by difference of the conservative sequence.

在上述143条多态性条带中，22条为非特异性条带，占多态性条带总数的15%，它可能与这2个香蕉野生近缘种中差异的保守序列有关。

The resulsts indicated that:there was a great difference in the pollen shape of male and female Vitis, the pattern of SOD isozyme were the same in male and female dioecism Vitis; some of the results of RAPD were polymorphic between the male and female.

结果表明：葡萄雌雄株的花粉形态存在着较大的差异；在本实验条件下葡萄雌雄株叶片SOD同工酶谱带一致；一些引物的RAPD产物间存在着多态性，在葡萄雌雄株的基因组DNA序列中存在着碱基排列顺序的差异。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。