meiosis
The failure of homologous chromosomes to pair during meiosis.
不联会在减数分裂期间同源染色体不联会成对
Abnormal meiosis also was observed.
还观察到花粉母细胞异常减数分裂现象。
Meiosis of microspore mother cells is synchronous or unsynchronous.
小孢子母细胞减数分裂同步或不同步。
Reproduction without meiosis or formation of gametes.
无配生殖，无融合生殖无须减数分裂或形成配子的繁殖
The separation of homologous chromosomes during meiosis.
在减数分裂过程中同源染色体的分离.
Prophase The first stage of cell division in meiosis and mitosis.
前期：细胞减数分裂和有丝分裂的第一个阶段。
The dyad formed in Meiosis I was wrapped by thick callose.
粗/双线期，细胞的电子密度增加，细胞壁积累胼胝质，切断大孢子母细胞与珠心细胞之间的胞间连丝，核糖体的数量增多，线粒体与质体的形态变得不易区分，呈现脱分化状态。
Diakinesis The last stage of the PROPHASE in the first division of MEIOSIS.
终变期：减数分裂第一次分裂前期中的最后一个阶段。
A pair of homologous,synapsed chromosomes associated together during meiosis.
二价染色体在成熟分裂时联在一起的一对同源、联会染色体
A cell from which an egg or ovum develops by meiosis; a female gametocyte.
卵母细胞一种通过分裂产生卵子的细胞，是一种雌性配子母细胞。
A pair of homologous, synapsed chromosomes associated together during meiosis.
二价染色体在成熟分裂时联在一起的一对同源、联会染色体
The stage of mitosis and meiosis in which the chromosomes move to opposite ends of the nuclear spindle.
细胞分裂后期染色体向细胞核轴心相反一端移动的有丝分裂和减数分裂阶段
A cell from which an egg or ovum develops by meiosis;a female gametocyte.
卵母细胞一种通过分裂产生卵子的细胞，是一种雌性配子母细胞
The megaspore mother cell meiosis to form a linear megaspore tetrad.
大孢子母细胞减数分裂产生直线形大孢子四分体。
One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.
二分体一对由四分体在成熟分裂过程中形成的同源染色体
Successive cytokinesis in the microspore mother cells (MMCs) follows meiosis.
小孢子母细胞减数分裂的胞质分裂为连续型。
Spore mother cell A cell that gives rise to four haploid spores by meiosis.
孢子母细胞：可以发生减数分裂产生四个单倍体孢子的细胞。
The failure of any process in meiosis can result in chromosome mal-disjunction.
这个过程中,任何一个环节的错误都可能会导致染色体的异常分离。
A characteristic resulting from the exchange of genetic material between homologous chromosomes during meiosis.
交换特征由减数分裂期内同源染色体之间的遗传物质的交换而产生的特征
The development of a gametophyte directly from a sporophyte without the occurrence of meiosis or spore formation.
无孢子形成，无孢子生殖，无孢子状态没有经过减数分裂或孢子形成而直接由孢子体进行的配子体发育
The stage in prophase of meiosis during which homologous chromosomes become paired.
偶线期减数分裂的前期阶段，在此期间异体同型的染色体配对
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。
In meiosis, the association of four homologous chromatids seen during the pachytene stage of prophase.
减数分裂前期的粗线期中，四个同源的染色单体向联系形成的结构。
Anaphase The stage in mitosis or meiosis when chromatids are pulled toward opposite poles of the nuclear spindle.
后期:在有丝分裂或者减数分裂过程中染色单体分别朝相反的两极运动。
Cell division is the process by which cells reproduce. There are two types of cell division: mitosis and meiosis.
细胞分裂是细胞繁殖的过程，可透过两种形式进行：有丝分裂和减数分裂。
Consisting of a pair of homologous,synapsed chromosomes,as occurs during meiosis; double.
二价染色体的由一对同源，联会染色体组成的，如在成熟分裂时出现的；双的
Reduction of the diploid number of chromosomes by one half during meiosis, resulting in the haploid number.
减半作用在减数分裂过程中染色体双倍体数目的减半而导致其变成单倍体数目
Of or relating to the association of three or more homologous chromosomes during the first division of meiosis.
多价的属于在第一时期成熟分裂时三个或者更多的同源染色体的联合的、或与之有关的
Bivalent Describing any pair of homologous chromosomes when they pair up during MEIOSIS.
二价染色体：在减数分裂中配对时的任意一对同源染色体。
Gametes may develop without fertilization, or meiosis may substantially precede gamete formation.
配子不经过受精也可能发育，若减数分裂先于配子形成，配子也可能发育。
Meiosis, which occurs only in the formation of gametes, is a specialized form of cell division.
仅仅发生在配子形成中的减数分裂是一种特殊形式的有丝分裂。
Successive cytokinesis in the megasporocyte follows meiosis and the megaspore tetrads are linear.
大孢子母细胞减数分裂形成直线型四分体。
Consisting of a pair of homologous,synapsed chromosomes,as occurs during meiosis;double.
二价染色体的由一对同源，联会染色体组成的，如在成熟分裂时出现的;双的
On germination, the zygospore undergoes meiosis to produce haploid cells that give rise to a new thallus.
在萌发期，接合孢子经历减数分裂形成单倍体细胞再产生新的植物体。
Reduction of the diploid number of chromosomes by one half during meiosis,resulting in the haploid number.
减半作用在减数分裂过程中染色体双倍体数目的减半而导致其变成单倍体数目。
Chiasma (pl.chiasmata) A connection between homologous chromosomes seen during the prophase stage of meiosis.
交叉：在细胞减数分裂的前期，同源染色体之间形成的接触点。
In addition, correlations between the meiosis and callose deposition in the wall of megasporocyte have been discussed.
此外，本文还讨论了大孢子母细胞减数分裂与细胞壁内沉积胼胝质之间的相关性。
Zygote meiosis can be observed with fresh-water algae Chlamydomonas, Spirogyra, Chara for assistant materials.
淡水产衣藻属、水绵属及轮藻属可作为观察合子型减数分裂的辅助材料。
The effect of lead nitrate and nickel chloride on maturation and meiosis of mouse oocyte in vitro was studied.
采用卵母细胞体外培养的方法研究了硝酸铅、氯化镍对小鼠卵母细胞成熟的影响。
Chromomere A small beadlike deeply staining structure seen in chromosomes during prophase of mitosis and meiosis.
染色粒：在有丝分裂及减数分裂的前期存在于染色体上的小念珠状的着色深的结构。
The failure of paired chromosomes or sister chromatids to separate and go to different cells during meiosis.
（染色体的）不分开，不分离在减数分裂过程中，成对的染色体或同型的染色单体不分离到不同的细胞中。
These findings provide insights into the evolution of meiosis and kinetochore regulation during mitosis and meiosis.
这些发现为研究减数分裂以及有丝分裂和减数分裂中动粒调节的演变提供了基础。
The cytokinesis of the microspore mother cells in meiosis is successive and the microspore tetrads are tetrahedial.
小孢子母细胞减数分裂中的胞质分裂为连续型，四分孢子为四面体型；
This demonstrates that the genes on a Y chromosome are essential for meiosis and sperm maturation.
这证明，Y染色体上的基因对于细胞减数分裂和精子成熟至关重要。”
Aneuspory The production of an unusual number of spores during meiosis of a spore mother cell.
异数孢子:在孢子母细胞减数分裂过程中产生不正常孢子数目的现象。
Of the semisterile plants, chromosmes could pair mostly in meiosis,only a few could not pair normally.
部分可育株，大部分染色体联会配对成棒状二价体，个别为单价体；
Megasporocyte contains nuclear vacuoles before meiosis and synaptonemal complexes at early satge of meiosis.
结论是栽培甜菜的大孢子发生为蓼型。
Consisting of a pair of homologous, synapsed chromosomes, as occurs during meiosis;double.
二价染色体的由一对同源，联会染色体组成的，如在成熟分裂时出现的；
Microspore mother cells in an anther started but di d not end the meiosis at the same time.
小孢子母细胞减数分裂同时开始，但不同时结束，分裂过程高度不同步。
Abstract: Objective： To determine the effect of methylbenzene on meiosis of spermatocyte from mouse testis.
摘 要: 目的探讨甲苯对小鼠精母细胞减数分裂的影响。