查询词典 haploid

To get haploid plants by means of anther culture is one kind of new biotechnology, which can shorten the breeding period.

利用花药培养获得单倍体，从而加速育种进程，是一项新兴的生物技术，目前在玉米育种中广泛应用。

In this experiment we find haploid of bear has 96 bars masculine bands It showed different bands.

本实验发现黑熊的单倍体有96条阳性带纹，且黑熊每对染色体都有其独特的带纹特征，其带纹的数目和精细程度随着染色体长度的增加而增加。

Seeds produced in this way may be either haploid or diploid depending on whether or not the megaspore mother cell undergoes meiosis, often, in the process termed pseudogamy, entry of the male gamete is required to stimulate the development of the female gamete, even though nuclear fusion does not occur.

有时也有假结合的过程发生，在这个过程中，雄性配子的进入是为了促进雌性配子的发育，但核融合的现象却不发生。

Antipodal cells The three haploid cells found in the embryo sac of seed-bearing plants that migrate to the chalaxal end of the sac farthest from the micropyle.

反足细胞：胚囊三次分裂形成卵细胞，助细胞和极核等，其中位于合点端的三个单倍体细胞称反足细胞。

Haploid culture Different genotype varieties were used to study the anther and microspore culture in vitro.

单倍体培养本文以不同基因型材料进行胡萝卜花药培养和游离小孢子培养研究。

The test results indicated that Biolog System could be used to identify S. cerevisiae correctly but was unsuitable for accurate identification of haploid and gene engineering microzyme.

实验表明Biolog系统适用于酿酒酵母的准确鉴定，可能不太适合单倍体和基因工程酵母菌的准确鉴定。

In this study the maize transposable element Activator was introduced into Nicotiana tabacum L cultivar Nc89 and its haploid.

本研究把玉米转座因子Ac分别转化烟草二倍体和单倍体，研究Ac在这两种细胞中的转座行为。

Potato haploid induction has significant meaning in potato breeding, It includes parthenogenesis and anther culture methods.

马铃薯单倍体诱导在马铃薯育种实践中具有重要意义，它包括孤雌生殖和花药培养等方法。

Cytoembryological studies were employed to reveal theorigin of haploid and to determine the cytological factersrelating to the production of diploid polyembryony withinone embryo sac occurring in natural population of apolyembryonic line SB-1 of O.sativa.

SB-1自然群体中的单倍体来源于助细胞无配子生殖。细胞胚胎学研究表明，卵器中的一个或两个助细胞能在受精之前发育成胚，其发生率分别为观察子房数的2.24%和1.75%。

Reduction division The first division of meiosis , including prophase, metaphase I, and anaphase I. It results in a haploid number of chromosomes gathering at each end of the nuclear spindle.

减数分裂：减数分裂中的第一次分裂，包括分裂前期，中期 I 和后期 I ，形成单倍数目的染色体在每一个核纺锤体末端聚集。

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.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。