查询词典 gametes

A cell from which gametes develop by meiotic division, especially a spermatocyte or an oocyte.

配子母细胞，配子细胞配偶子通过配子减数分裂而发展的细胞，尢指精母细胞或卵母细胞

Either of two conjugating gametes that differ in structure or behavior,such as the small, motile male spermatozoon and the larger,non motile female ovum.

异形配子在结构或行为上不同的两个配合配子之一，如小的能动的雄性精子与大的不能动的雌性卵子

If such gametophytes produce fertile gametes, the resulting sporophyte is then tetraploid, and large polyploid series may subsequently be developed.

如果这种配子体能够产生可育的配子，那么形成的孢子体通常是四倍体，这样就可以得到大量的多倍体。

This review introduced the study of cell cycle of male and female gametes before fertilization; discussed the question of synergid degeneration; analysed status of research into the movement of both sperm cells in degenerated synergid; and evaluated the preferential fertilization of sperm cells and the egg cell activation of angiosperms.

本文介绍了目前被子植物精、卵细胞融合前后的细胞周期变化、退化助细胞的功能、精细胞在退化助细胞中迁移的研究动态、精细胞的倾向受精和卵细胞的激活等被子植物受精生物学领域中的一些新的研究成果和发展趋势。

In unicellular organisms whole individuals may unite but in most multicellular organisms only the gametes combine.

单细胞生物常发生整体的融合，而多细胞中只有配子发生融合。

Department of Biological Sciences is primarily dedicated to teaching and research in biology including insect and vertebrate molecular ecology, historical biogeography and population genetics; conservation genetics, crustacean endocrinology, physiology and biochemistry of gametes, vertebrate physiology, systematics, ecology, and zoogeography of freshwater and marine fishes, molecular genetics, reproductive physiology, evolutionary genetics.

生物科学系主要致力于生物学的教学与研究，其研究领域包括昆虫和脊椎动物分子生态学，历史生物地理学和种群遗传学，保护遗传学，甲壳类内分泌学，配子生理生化，脊椎动物生理学，淡水和海洋鱼类系统学、生态学、动物地理学，分子遗传学，生殖生理学等。

The union of male and female gametes to form a zygote .

一个分离的细胞接近达到合子的外貌。

The union of male and female gametes to form a zygote.

玻璃状的岩石坚硬而晶莹闪光。

Characters controlled by the DNA of extranuclear organelles are not inherited according to Mendelian laws and are transmitted only through the female line, since only the female gametes have an appreciable amount of cytoplasm.

由于细胞质大多来自母体所产生的配子，所以由细胞核外的细胞器的 DNA 所控制的遗传性状一般只随母系而遗传，也不符合孟德尔定律。

Biology being the sex that produces fertilizable gametes from which offspring develop.

表明是或与某种器官组织有关的可以产生可发育成后代的可受精的配子的。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。