查询词典 gametes

In organisms showing ALTERNATION OF GENERATIONS, the gametes may be produced by mitosis in the haploid generation, or by meiosis in the diploid generation and give rise directly to gametes or gamete-producing cells.

在表现出明显世代交替的生物体中，配子可能是由单倍体世代发生有丝分裂产生，亦可由二倍体世代减数分裂直接产生配子体或配子母细胞。

The gonadal development in aneuploid is similar to that of triploids and can produce mature gametes.

非整倍体牡蛎的性腺发育情况与三倍体个体相当，也能产生成熟的生殖细胞。

Ananisogamy The sexual fusion of nonidentical gametes. Anisogamy grades from situations in which the gametes differ only in size to the extreme of oogamy, in which one gamete is a large nonmotile ovum and the other a small motile sperm.

异配生殖：不相同的两个配子的结合叫做异配生殖，通常是一个大而运动能力迟缓的卵和一个小而运动能力强的精子结合。

When the gametes are readily distinguished as male or female, other therms may be used such as ANTHERIDIUM, ARCHIEGONUM, or OOGONIUM.

配子很快地分化为雌性或雄性以后，其他的细胞会形成如精子囊，颈卵器，卵囊等器官。

SSR analysis indicated that triploids were derived from nucellar apomixis; diploids were most probably from sexual crosses of haploid female gametes and alien pollen grains.

SSR分析结果表明三倍体后代来源於柑橘珠心细胞的无融合生殖，而二倍体个体很可能是单倍体的雌配子与外界花粉杂交后代。

Self-incompatibility (self-sterility) The condition in whereby male gametes cannot fertilize female gametes from the same individual and give rise to a viable embryo.

自交不亲和性：是雄配子体不能与来自同一植物体的雌配子体发生受精作用并产生可育受精卵的情况。

Fucales An order of Phaeophyta in which the haploid generation consists only of the gametes. The gametes are produced in special cavities called conceptacles, often in the inflated tips of branches of the thallus, e.g.

鹿角藻目：褐藻门的一个目，其单倍体后代只由配子组成，配子在一个称为生殖窝（通常位于叶状体分支膨大的顶端）的特殊腔中产生。

2N gametes are the result of meiotic mutation during micro- and mega-sporogenesis that bear the sporophytic rather than the gametophytic chromosome number. This paper reviewed the genetic markers including the morphologic, cytological, isozymes and DNA markers, which have been employed in the generation, inheritance, heterozygosity and marker-assisted breeding of 2n gametes based on the frequency of large pollen grains, cytological analyses, unexpected occurrence of polyploidy progeny and the associations between parents and progenies.

文章综述了植物2n配子发生及其遗传标记研究现状，论述涉及有关形态学标记、细胞学标记、同工酶标记乃至DNA标记等遗传标记在2n配子研究中的应用，指出通过花粉形态观察、大小孢子母细胞减数分裂行为观察、杂种后代倍性鉴定以及亲子分子标记相关分析等，对2n配子发生、2n配子遗传类型与杂合性以及2n配子在育种实践中的有效性等进行研究。

The female gametes with 21 chromosomes intended to be with stronger competitive ability for pollination. Successful backcross didn't depend on the unreduced female gametes from restitution division.

同时也证明，回交的成功并不取决于杂种F1通过重建分裂形成的未减数雌配子。

In organisms showing sexuality, the gametes are of two types: male and female. They may be produced in special organs (e.g. carpel and anther in angiosperms, archegonia and antheridia in lower plants and some algae). The gametes may be derived from the same parent AUTOGAMY0 or from two different parents

在显示性别差异的器官中，配子体分两种：雄配子与雌配子，二者可能在特殊器官中产生（例如：被子植物的心皮或其它结构、低等植物及某些藻类的颈卵器和精子器）配子可以来自同一亲本或由两个不同亲本分别产生。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。