gametes的例句大全

generally meiosis occurs before gamete formation, resulting in the gametes being haploid (having half the normal number of chromosomes).

在配子形成前通常会发生减数分裂，产生单倍体的配子（染色体数为正常的一半）。

autopolyploids may arise from the fusion of diploid gametes that have resulted from the nondisjunction of chromosomes at meiosis.

同源多倍体通常可能来自在减数分裂过程中染色体不分离导致的二倍体融合。

diplont a diploid organism that represents the vegetative stage in life cycles in which haploidy is restricted to the gametes.

代表生活史中植物体阶段的二倍体生物，其单倍体仅局限于配子体。

a comparison of chromosomes in the gametes of a related, sexually-producing lizard species (above) and the whiptail (below).

配子（精子或卵子——译注）中的染色体对比。上方是一种两性繁殖的蜥蜴，下方是鞭尾蜥蜴。

gametes showed intensive positive phototaxis, after syngamy, motile zygotes showed negative phototaxis.

其配子具有明显的正趋光性，合子具有负趋光性。

most female gametes have two synergids that play a key role during fertilization in more than 80% angiosperms.

助细胞是被子植物雌配子体的组成细胞之一，是大多数被子植物完成受精作用的关键环节之一。

the relationship between the intercellular chromatin migration of pollen mother cells and the changes of chromosome numbers during the genesis of male gametes in allium cepa

洋葱雄配子形成过程中染色体数目变化同染色质胞间转移的关系胞间连丝与大分子物质的胞间转移胞间连丝与胞间物质转移

the eyespot of unicellular and colonial algae and their gametes and zoospores contains globules of orange or red carotenoid pigments.

单细胞生物和群体藻类的眼点、配子和孢子含有橙色或红色的类胡萝卜素。

the formation of male gametes includes germ cell and vegetative cell differentiation and the occurrence of male gametophyte.

雄配子的形成则包括生殖细胞和营养细胞的分化，以及雄配子体的发生。

hybrid sterility the reduced ability of some hybrids to produce viable gametes.

某些杂种产生可育配子的能力下降的现象。

genetic drift is change in the genetic composition of a population arising as a consequence of sampling of gametes in a finite population.

所谓遗传漂变就是指：在一个有限的种群内，由于配子的随机取样使得遗传组成在种群内发生变化的现象。

the presence of lhr in many tubal cell types could mean that lh directly regulates tubal functions such as transport, maturation, and fertilization of gametes, early embryonic development, and transport and synthesis of specific glycoproteins, independent of ovarian steroid hormones.

LH受体存在于输卵管的多种细胞类型中可能意味着LH直接调节输卵管的功能如配子的运输和成熟、受精、早期胚胎发育和运输以及输卵管特殊糖蛋白的合成，不依赖于卵巢类固醇激素。

Meiosis, which occurs only in the formation of gametes, is a specialized form of cell division.

仅仅发生在配子形成中的减数分裂是一种特殊形式的有丝分裂.

The union of gametes to a zygote; conjugation.

接合配子结合而形成合子; 结合.

At fertilization, when the haploid gametes fuse, the diploid number of chromosomes is restored.

受精过程中, 单倍体配子融合, 恢复了二倍体的染色体数目.

Exogamy The fusion of gametes produced by organisms that are not closely related.

(异系配合):亲缘关系较远的生物体产生的配子相互融合.

The formation of a zygote by the union of genetically different gametes.

'异型'.''接合通过基因不同的配子的结合而产生合子的构造.

Germ cell Any cell in a cell lineage that eventually produces gametes.

生殖细胞:是生物体所有细胞中最终能产生配子的细胞.

Gametangium ( pl. gametangia ) A cell or organ in which sexual cells ( gametes ) are produced.

配子囊 ( 配偶子囊 ) :由性细胞 ( 配子 ) 产生的细胞或器官.

Gametogenesis The formation of sexcells or gametes.

配子形成:即性细胞或配子的形成.