多倍体的

Because polyploidy is thought the route to aneuploidy, we also tested whether EBNA2 can induce aneuploidy.

因为多套体是造成非整倍体的原因，因此我们想知道EBNA2是否能造成非整倍体。

Through two steps, advancing cultivation and inducing differentiation, principium founded tissue culture system of fodder beet with explant from footstalk, so established foundation for inducing polyploid fodder beet with tissue culture and enlarging reproduction.

通过预培养、诱导分化两步法，初步建立了以叶柄为外植体诱导不定芽再生的饲用甜菜组织培养体系，为进一步利用组织培养诱导饲用甜菜多倍体及多倍体扩繁奠定了基础。

The number of chloroplast in stomata guard cell, density, length and width of stomata were observed.

以苹果和梨的二倍体和多倍体为试材，比较了气孔保卫细胞叶绿体数目、气孔密度、气孔长和气孔宽四个性状与倍性的关系，分析各个性状用于倍性鉴定的可靠性，并采用两类性状同时进行判别分析，建立判别分析方程。

They are complex polyploids, being partly tetraploid and partly hexaploid

它们是复杂的多倍体，其中一部分是四倍体，一部分是六倍体。

Heat shock is an effectie and widely used method for polyploid induction in fish, but has not been well studied in molluscs.

在鱼类多倍体诱导方面，热激是一种有效且应用广泛的方法，但在贝类多倍体中还没有得到很好地研究。

In this article, the new advances in polyploid origin, the methords of induction and identification, and polyploidy application are discussed.The problems that exist in the process of polypl...

文中介绍了植物多倍体起源、诱导方法、鉴定方法及多倍体应用等方面的研究进展，并对植物多倍体研究过程中所存在的几个问题进行了探讨。

To establish the efficient in vitro regeneration system and polyploidy induction system, the effects of hormones in media on shoot regeneration from leaves of plants and the suitable methods of tetraploid induction were studied.

为建立寒富苹果高效的离体再生体系和多倍体诱导体系，以试管苗叶片为外植体，研究了培养基中激素对寒富叶片再生芽的影响及适宜的四倍体诱导方法。

Results: PC12 cells fragmentation exhibited various evolving phases including totipotential protoplast, endopolyploid,polykaryon, multi-nucleo-endoplast, multinucleocyte, syncytium and multicells. The PCNA-IR was strongly positive in the earlyphase samples of cell fragmentation.

结果：PC12细胞呈现包括全能原生质体、核内多倍体、多核体、核-内质多聚体、合胞体和多细胞裂殖球的一系列演化阶段。

A high performance liquid chromatographic method was established for determination of caffeic acid contents in tetraploidy taraxacum officinale and diplontic taraxacum dissectum.

本文采用四倍体药蒲公英和二倍体多裂蒲公英为材料，通过HPLC法测定并比较两种蒲公英中咖啡酸的含量，以大力推广产量高，抗逆性强，药用活性成分高的优质多倍体蒲公英新品种。

Not all polyploids are reproductively isolated from their parental plants, so an increase in chromosome number may not result in the complete cessation of gene flow between the incipient polyploids and their parental diploids.

并非所有的多倍体与其亲本有生殖隔离，因此，染色体数目增加不会导致初始多倍体与其二倍体亲本之间的基因交流完全停止。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐