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Then replate them onto feeder layer culture system (containing leukemia inhibitory factor) in order to passage and expand. Subsequently we identified the expanding cells by alkaline phosphatase staining, karyotype analysis and the formation of embryoid body which are typical characteristics of ESCs.

以分离培养的细胞作为供体细胞,近交系C57BL/6J为受体囊胚供者,采用囊胚注射法构建嵌合胚,体外恢复培养后移植进动情期子宫中,结果生出了黑白杂合的嵌合鼠。

Is a tetraploid with tetrasomic inheritance and high heterogeneous genetic base, genetic segregation is more complicated than ones with disomic inheritance.

为高度杂合的无性繁殖同源四倍体作物,极其复杂的异质性和四体遗传导致加工品质和重要农艺性状遗传分析和改良困难。

A gene can have many alleles and individuals can have a homozygous or heterozygous genotype.

一个基因可有许多等位基因,而个体可有纯合或杂合的基因型。

Some of its tissues descended from the recombinant cells and are heterozygous for the targeted gene, other tissues are normal.

它的一些组织来自于重组细胞,对目标基因来说是杂合的,而其他组织则是正常的。

These recombinant cells are now heterozygous for the targeted gene.

对目标基因来说这些重组细胞现在是杂合的

This can be accomplished when an animal is produced in which the germ cells, which produce sperm or egg, are derived from the heterozygous recombinant cells.

当产生这只动物的性细胞是来自于杂合的重组细胞时,就有可能得到这样的动物。

Deduced by the proportion of typical sterile plants and normal fertile plants in segregative generations derived from WA zhenqiuA/6078 that:I gene could inhibit the expression of Rf gene completely by the heterozygosity of 1 pair of Rf in genotype;and only reduce the expression of Rf genes with two heterozygous Rf genes in genotype ;but it would never inhibit the expression of Rf genes if the genotype included 3 pairs of heterozygous Rf genes. When Rf gene was homozygous,the / gene could not inhibit the expression of it.

根据认叭真秋刀6078各衍生分离世代中典型不育株和正常可育株所占比例推断:基因型中仅包含1对杂合的Rf基因时,I对Rf的表达起完全抑制作用;基因型中包含2对杂合的Rf基因时,I仅对Rf的表达起削弱作用;当基因型中包含3对杂合的对基因时,I对Rf的表达不起抑制作用;I对纯合位点的Rf的表达不起抑制作用。

These translational hybrids are of great theoretical significance.

所有这些都表明,英语文学的汉译文历来都是普遍杂合的

Based upon the previous studies on adj-noun combination ,the paper proposes a hybrid model of Conceptual Blending and qualia structures and employs it for analysis of three different types of adj-noun combination .

本文在综述前人对形名组合研究的基础上提出一种概念整合理论和物性结构理论杂合的分析模式,并试图用这一模式分析三种不同语义类型的形名组合。

For example, in genetics, if a heterozygous plant is selfed, the probability of finding the double recessive is 1 in 4, or 25%.

例如在遗传学上,一个杂合的植物体为自花受精,发现双隐性性状的概率为1/4或25%。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。