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1·Abnormality of chromosome behavior occurs from premeiotic mitosis until various stages in meiosis.

从减数分裂前有丝分裂到减数分裂的各个阶段，染色体行为都会发生异常。

2·Observe the meiosis on the F1 hybrid of Orychophragmus violaceus.

观察二月兰一代杂交种子的细胞分裂。

3·Radically normal meiosis occur- red in Y-PMC_s.

Y 型不育系的小孢子发生过程基本正常。

4·Here, we analyzed the function of OsSGO1 in meiosis using the RNA interference (RNAi) approach.

本课题应用rna干扰技术分析了该基因在水稻生长发育过程中的功能。

5·Objective: to explore the mechanism leading to reduced productivity by a study of meiosis in cases of varicocele.

目的：探讨造成精索静脉曲张患者的生育力减弱的机理。

6·The study, published in the March issue of Genes & Development, also reports the first meiosis-specific factor ever found on the X chromosome.

刊登在3月份的“基因与发育”（Genes & Development）期刊上的一篇文章同样报道了首次发现的位于X染色体上的与减数分裂相关的因子。

7·Frequencies of bivalents in the amphidiploids tended to increase obviously in comparison with the expected chromosome pairing model of the meiosis.

与期望染色体配对模式相比，双二倍体中二价体出现的频率有明显增大的趋势。

8·The main reason of abnormal meiosis of PMC are the complicated cytological reaction of recipient after exogenous DNA introduced into recipient chromoses.

这些染色体异常可能是异源DNA整合到受体染色体，进行染色体重排所引起的复杂细胞学反应。

9·In order to study the general law on meiosis of Periplaneta Brunnea. Air-dried method was used to observe the chromosome of spermatogonium in different stages.

探讨褐斑大蠊减数分裂规律，运用空气干燥法对褐斑大蠊精原细胞第一次减数分裂染色体形态进行观察。

10·Synapsis (pairing) the association of homologous chromosomes during the prophase stage of meiosis that leads to the production of a haploid number of bivalents.

偶线期时，以同源染色体活跃的、特定的配对(联会)为特征，形成了单倍数的二价染色体。

减数分裂

1·After the meiosis, however, the microspores began to degenerate to become blighted and wrinkled ones, starting from the deforming of their walls and concentration of their protoplasm.

减数分裂后，小孢子开始退化，首先是小孢子壁开始变形，随后原生质浓缩，形成干秕、皱缩的小孢子。

2·It is not synchronous highly that the meiosis of pollen mother cells and the development of microspore in the same anther but different pollen sac and in the same anther chamber.

同一花药不同花粉囊相同一药室，花粉母细胞减数分裂和小孢子的发育，并不是高度同步的。