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Analogous cascades are found in higher organisms, and are compared with the yeast cascade later

由单倍体种群形成稳定的二倍体产物可以被认为是转变存在的理由。

Some problems related to "variation of chromosome number" in some teaching materials of genetics are presented in this article.

指出了高校有关遗传学教材"染色体数目变异"一节中,部分概念如单倍体、染色体组、非整倍体等存在的概念表述不清、前后矛盾等问题,并提出了相应的修改意见。

In this study the clubroot resistant CR DH line, susceptible inbred line 94SK of Chinese cabbage, the resistant and susceptible DNA bulks constructed from F2 individuals of CR DH line and 94SK were used to select the adaptive AFLP primer combination. AFLP analysis was performed with 256 Pst Ⅰ/Mse Ⅰ primer combinations.

为了筛选出大白菜适宜的AFLP引物组合,研究以抗根肿病大白菜双单倍体CR Shinki、感病自交系94SK及其后代F2构成的纯合抗病和纯合感病DNA混合池为材料,利用256对Pst Ⅰ/Mse Ⅰ引物组合进行了AFLP分析。

Haplont A haploid organism that represents the vegetative stage in life cycles in which diploidy is restricted to the zygote.

单倍性生物:是一个单倍体或生物体,该生物体体现二倍性仅限于合子的生活史中的营养阶段。

Egg apparatus The three haploid nuclei that are situated at the micropylar end of the embryo sac in most flowering plants. The central nucleus is the female gamete and those to either side of it are called the synergids.

卵器:在大多数显花植物的胚囊中,位于珠孔端的三个单倍体核,其中卵细胞位于中央,两个助细胞分别位于两边。

For example, if the haploid number is 7, the euploid number would be 7,14,21,28, etc, and there would be equal numbers of each different chromosome.

例如,一种生物单倍体染色体数目是7,整倍数将是7、14、21、28等数目,并且每条不同的染色体有相等的数目。

The importance of haploid identification in wheat × maize and the differences of previous relative results were also discussed in this paper.

文中同时对小麦×玉米杂交后代单倍体鉴定的重要性,及与以前相关研究结果的差异进行了讨论。

Thus it is estimated to represent a nearly 6 - fold coverage of whole Fugu haploid genome and to provide 99. 7% probability to find any unique DNA fragment in the pufferfish genome.

根据这些数据推算,本文库相当于5.8个河豚鱼单倍体基因组(即5.8个库容量),从本文库中筛选到河豚鱼基因组任一单拷贝DNA序列的几率为99.7%。

Tetraploid induction from double haploid was also studied, and a desirable result has been obtained. Dripping the apical point of plantlets with 0.2% colchicine plus 1.5% DMSO was a suitable treatment with doubling frequency 18.2%.

其中0.2%秋水仙素+1.5%DMSO滴苗处理,效果较明显,加倍频率达18.2%。1%秋水仙素+羊毛脂膏+1.5%DMSO涂抹生长点试验,加倍率为14.0%,由于此法田间工作量小,不失为双单倍体诱导纯合四倍体较好的方法。

In bryophytes the main plant body is haploid, as is the case in many algae.

在多数藻类和苔藓植物中,主要的植物体是单倍体(参见 alternation of generations )。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

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