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- A large nonmotile female gamete or egg cell,formed in an oogonium and ready for fertilization. 卵球一种不活跃的大雌配子或卵细胞,形成于卵巢中并在那里准备受精
- Fertilization (syngamy) The fusion of a male gamete with a female gamete to form a zygote, the essential process of sexual reproduction. 受精(有性生殖):一个雌配子和一个雄配子融合形成一个合子,是有性生殖的基础。
- It is a multicultural flask-shaped structure made up of a narrow neck and a swollen base (venter) that contains the female gamete. 颈卵器状似长颈烧瓶,由一条细长的颈部和膨大的腹部(内含雌性配子)组成。
- A haploid cell that results from the meiotic division of an oocyte and becomes a female gamete or an ovum. 卵(子)细胞由于卵母细胞减数分裂产生而后形成配子或卵细胞的单倍体细胞
- A large nonmotile female gamete or egg cell, formed in an oogonium and ready for fertilization. 卵球一种不活跃的大雌配子或卵细胞,形成于卵巢中并在那里准备受精
- After fusion of a male gamete with a female gamete [i.e. fertilization], a diploid offspring is produced. 当一个雄配子和一个雌配子结合(受精作用)之后,一个双倍体后代因而产生了。
- The term also describes the development of an unfertilized female gamete into the sporophyte, a phenomenon described as PARTHENOGENESIS. 也用来描述未受精的雌配子发育为孢子的现象。
- In many organisms the male and female gametes are different. 很多生物体中雄配子与雌配子是不同的。
- A female gamete;an ovum. 雌性配子;卵细胞
- A female gamete; an ovum. 雌性配子;卵细胞
- The union of male and female gametes to form a zygote. 受精卵雄性和雌性配子的结合形成受精卵
- A female gamete, especially the larger of two gametes produced by an oogamous species. 雌配子一种雌性配子,尤指由卵生生物种产生的两个配子中较大的一个
- A female gamete,especially the larger of two gametes produced by an oogamous species. 雌配子一种雌性配子,尤指由卵生生物种产生的两个配子中较大的一个。
- female gamete chromosome doubling 雌配子染色体加倍
- Fertilization by the union of male and female gametes from different individual of the same species. 同种的两个不同个体的配子间的受精。
- Abstract Most female gametes have two synergids which play a key role during fertilization in over 80% angiosperms. 摘要 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。
- In both the male and female gametes,GSH is involved in the protection of these cells against oxidative damage. 在雄性和雌性配子中,谷胱甘肽起着保护精子和卵母细胞免受氧化损害的作用。
- The male gamete could not unite with the female. 雄配子不能与雌配子结合。
- Relating to,produced by,or involving reproduction that occurs without the union of male and female gametes,as in binary fission or budding. 无性生殖的没有雌雄交媾而繁殖的,关于无期雌雄交配而繁殖的,涉及无雌雄交配而繁殖的,如在偶数分裂或萌芽中
- Compared with original diploid, the phenotype changes of autotetraploid were as follows.The part of its male and female gametes was of abortion. 和其起源二倍体相比,同源四倍体的表现型变异表现在以下几个方面:雌雄配子育性降低;