查询词典 haploid

Sperm are a highly specialized cell type derived to deliver the paternal haploid genome to the oocyte.

精子是一种高度分化的细胞，其产生是为了传递父方的单倍基因组给卵子。

The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization .

大多数巨蚓的生殖是正常异体受精。

The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization.

在肌肉细胞中最普通的蛋白质，与肌动朊结合形成肌动球朊。

The mature sperm has a tail a nucleus containing haploid chromosomes and a front end with an acrosome the storage site for enzymes that will aid fertilization.

成熟精子有尾部，单倍体染色体组，头部有顶体，内部储存酶类，有助于受精。

In lower plants such as mosses and liverworts the persistent vegetative plant is haploid, the sporophyte being a relatively short-lived phase.

在苔藓，地钱这样的低级植物中，习见的植物体是单倍体，孢子体存在时间较短。

Synapsis The association of homologous chromosomes during the prophase stage of meiosis that leads to the production of a haploid number of bivalents.

联会：能产生单倍二价体的减数分裂前期，同源染色体的联合现象。

Synergid cells Two haploid cells located near the egg cell at the micropylar end of the embryo sac in flowering plants.

助细胞：存在于开花植物胚囊内，是位于珠孔端的卵细胞两侧的两个单倍体细胞。

We show that these germline infiltrations likely occurred around the same evolutionary time (15–46 mya) and spawned some of the largest bursts of DNA transposon activity ever recorded in any species lineage (nearly 100,000SPINcopies per haploid genome in tenrec).

这组科学家在调查夜间活动的灵长类动物——丛猴的DNA转座子的时候发现了这些成分，在经过进一步检查之后，他们在其他物种中也发现了这些"侵略者"，包括大鼠和小鼠、负鼠和非洲爪蛙。

Tetraploid A cell or organism containing four times the haploid number of chromosomes.

四倍体：具有四个的单倍染色体组的细胞或生物体。

On germination, the zygospore undergoes meiosis to produce haploid cells that give rise to a new thallus.

在萌发期，接合孢子经历减数分裂形成单倍体细胞再产生新的植物体。

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。