查询词典 female gametophyte

Apospory The devlopment of the gametophyte directly from the cell of a sporophyte, thus bypassing meiosis and spore production.

无孢子生殖：配子体的发育直接来自孢子体的细胞而不经过减数分裂和孢子产生的生殖过程。

In this paper the authors reviewed the characteristics in the different phases in the life cycle of ferns. Special attentions were given to the effect of light, plant growth regulators, water and temperature on the fern gametophyte development, and the effect of antheridiogen, light, calcium and other plant growth regulator on the formation and differentiation of fern sex organ.

作者概述了蕨类植物生活周期中不同发育阶段的特点，并着重介绍了光、植物生长调节物质、水和温度等因素对蕨类植物配子体发育的影响以及成精子囊素、光、钙离子和其它植物生长调节物质在性器官形成和分化过程中的作用。

Haploid refers to the gametophyte chromosome number an individual has, but does not equate to monoploid.

单倍体是指具有配子染色体数目的个体，但并不等同于一倍体。

As the male gametophyte, pollen delivers sperm to the embryo sac for fertilization by pollen-tube polarized growth.

花粉作为种子植物的雄配子体，通过萌发后极性生长的花粉管将精细胞送到胚囊完成受精作用。

Instead genotype of unbalance gametophyte iscomposed of diversified genes from distantly relatedparents and the gametogenesis would abort because ofcontradiction in the haploid cells.

本试验结果结合过去的研究，说明水稻亚种的分化是自然选择作用于遗传变异的结果，生殖隔离是籼亚种和粳亚种连续积累的遗传分岐的产物。

The smaller of two types of spores that give rise to a male gametophyte.

小孢子两种孢子中较小的一种，其产生一雄性配子体

Light plays very important role in the growth of Gametophyte clone. Light time and intensity affect its growth directly.

光照对海带配子体克隆的生长起着至关重要的作用，光照时间和光照强度直接影响着克隆细胞的生长。

C The mature male gametophyte consists of three cells resulting from two meiotic divisions.

成熟的雄配子体包括的三个细胞是由两次减数分裂而来的

Our study proved that there is a polysaccharide wall between the GC and VC in the comparatively long period of development of the male gametophyte.

本研究证明，在玉竹雄配子体发育的较长一段时间内生殖细胞具一多糖性质的壁与营养细胞分隔。

Pollen is a highly reduced organism that plays a great role in plant sexual reproduction as the male gametophyte.

花粉是高度退化的生物体，在植物有性生殖过程中具有重要作用。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。