gamete

Such a gamete may be produced by tetraploid tissues, or it may be the result of faulty meiosis.

这样的配子可能是通过四倍体组织或者是错误的减数分裂产生的。

When a couple is unable to get pregnant on their own, sometimes they use a donor's egg or sperm. This is called "gamete donation" .

若夫妇自己不能生育时，有时候他们用捐赠的卵子或精子，称为“配子捐赠”。

The American Society for Reproductive Medicine encourages parents to tell their children about the gamete donation.

美国生殖医学会鼓励父母将配子捐赠告诉孩子。

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）。

Intrauterine insemination, in vitro fertilization and gamete intrafallopian transfer (GIFT) are additional options.

宫腔内人工受精，试管内受精，输卵管内配子移植术是其他的选择。

Meiosis, which usually precedes spore or, sometimes, gamete formation, halves the chromosome number to produce haploid gametes .

染色体数目减半通常发生在减数分裂产生孢子或往往是合子减数分裂形成单倍体配子时。

This is a comprehensive and definitive account of the human male gamete.

这是一个人男性配子的综合和决定性的账户。

parthenogenesis Reproduction without fertilization by male gamete, without genetic recombination or a reduction in ploidy.

孤雌生殖没有雄鱼配子受精的繁殖，没有遗传重组或倍数减少。

Genetic variations of clonal traits and estimation of gamete pool composition in a clonal seed orchard of Pinus tabulaeformis.

油松种子园无性系性状变异与配子贡献研究。

Meiosis is an essential stage in gamete formation in all sexually reproducing organisms.

减数分裂是在配子形成的所有有性繁殖的生物重要阶段。

This article updates the researches on the culture of primordial germ cells and stem cells'differentiation into male gamete.

本文综述近年原始生殖细胞体外培养及干细胞向雄性配子诱导分化的研究进展。

Macrospore metrocyte of Pinus sylvestris var. mongolica developed to female gametophyte containing female gamete-egg by a series of changes.

樟子松大孢子母细胞经一系列变化，发育成雌配子体。

The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive system to create a new individual.

雄性生殖细胞（精子）和雌性生殖细胞（卵子）在女性的生殖系统中相遇并形成一个新的个体（受精卵）。

Objective: To investigate the efficiency of vitrification of immature oocytes to expand the field of gamete cryopreservation.

目的：探讨玻璃化冷冻未成熟卵母细胞的有效性。

After defoliation, fruiting of Bottom and Middle flowers significantly decreased the gamete production of Top flower. 5.

但去叶后基部和中部花结实后顶部花的花粉、胚珠数显著降低。

Gamete fertility and morphological variations in offsprings of triploid clones Populus tomentosa .

三倍体毛白杨配子育性及其子代形态变异研究。

the gamete-producing individual or phase in the life cycle of a plant having alternation of generations.

在一种植物的生命周期中产生配偶子的个体或阶段，从而引起一代代的更替。

Gametophyte The gamete-producing generation in the life cycle of a plant or multicellular alga .

是能够形成配子并进行世代繁衍的植物体或多细胞藻类。

spermatozoa The flagellated male gamete or sperm.

具鞭毛的雄配子或精子。

The female reproductive cell or gamete of animals; egg.

卵细胞：雌性再生细胞或动物的配子；卵。