查询词典 haploid

The paper summarizes studies of in vitro inducement of haploids in cucurbitaceae, including anther culture, in vitro gynogenesis culture and induction of haploid obtained by irradiated pollen. The factors affectting in vitro inducement such as material genetype, medium, pretreatment, megaspores development stage and others had significant effects on the embryoids inductivities.

重点对葫芦科植物离体诱导单倍体的研究进行综述，包括花药培养、离体雌核培养、辐射花粉诱导单倍体培养等在育种中的应用，以及供体基因型、培养基、预处理方式、胚囊发育时期等因素对离体诱导再生频率的影响。

Such a dikaryon cannot apparently exist independently of the haploid phase.

这样的双核体显然不能独立于单倍体阶段而存在。

Haploid spores are mostly, but there are a small number of diploid , such as the brown algae and some species of Ectocarpus are still on the sporophyte produces diploid mitosis after the swimming spores, which germinate directly to produce sporophytes.

孢子大多为单倍体，但也有少数为二倍体，如褐藻中的水云等一些种类还在孢子体上经过有丝分裂产生二倍体的游动孢子，它直接萌发产生孢子体。

Fucales An order of Phaeophyta in which the haploid generation consists only of the gametes. The gametes are produced in special cavities called conceptacles, often in the inflated tips of branches of the thallus, e.g.

鹿角藻目：褐藻门的一个目，其单倍体后代只由配子组成，配子在一个称为生殖窝（通常位于叶状体分支膨大的顶端）的特殊腔中产生。

Gametic selection was assessed with a doubled haploid population including 1 35 lines derived from anther culture of a typical indica and /japonica cross, ZYQ 8/JX 1 7, by investigating the segregation and recombination of morphological characters, isozymes and RFLP markers.

对典型的灿与粳稻杂种，窄叶青8号／京系17F1花药进行培养获得的132个双单倍体的形态特性、同工酶与RFLP标记的分离与重组进行了考察分析，研究是否存在配子选择问题。

The main methods that produce doubled haploid lines for barley breeding are Hordeum bulbosum method, anther culture method and microspore culture method.

大麦加倍单倍体立的方法很多，目前在大麦遗传育种中运用较多的主要有球茎大麦法、药培养法和小孢子培养法等三种。

M-3-16 and baker's yeast BY-6 haploid strain without using melibiose was hybridized, 153 hybrids were identified.

将M-3-16与不利用蜜二糖的面包酵母BY-6单倍体进行杂交，共获得杂交株153株。

The haploid plant produces gametes mitotically and is thus termed the gametophytes while the diploid plant produces spores meiotically and is called the sporophyte.

单倍体植物有丝分裂产生配子体，二倍体减数分裂产生孢子体。

Seven green transgenic plants, including one mixoploid, two haploid, and four diploid plants, were regenerated.

共获得7个转基因株系，其中2个单倍体，4个二倍体，1个混倍体。

At the same time, the information of flax biotechnology of anther culture, haploid breeding, utilization of somatic mutation, protoplasmic culture, gene transformation were introduced in detail.

从亚麻花药培养、单倍体育种、体细胞无性系突变体的利用、原生质体培养、转基因技术的研究等方面详细地介绍了我国亚麻生物技术的发展状况。

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。