meiosis

noun

1. （细胞的）减数分裂，成熟分裂
   the division of a cell in two stages that results in four cells, each with half the number of chromosomes of the original cell

1. 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。
2. 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。
3. Meiosis of pollen mother cells ( PMC) of the sterile line and Chinese Spring were observed.
   以同源四倍体青花菜为材料，采用常规压片法研究花粉母细胞减数分裂行为。
4. Meiosis of pollen mother cells in autotetraploid radish
   同源四倍体萝卜花粉母细胞减数分裂
5. ( genetics) used of the association of three or more homologous chromosomes during the first division of meiosis.
   （遗传学）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。
6. Cytological Studies on the Meiosis and Male Gametophyte Development of Dioscorea parviflora
   小花盾叶薯蓣减数分裂与雄配子发育细胞学观察
7. Meiosis is the process of cell division that produces gametes in both sexes.
   减数分裂是两性用来产生配子的细胞分裂过程。
8. 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。
9. Observation on microspore abortion of'White angel'was made by means of light microscopy. ① The meiosis of PMC was showed to be abnormal.
   对王百合雄性不育突变体‘白天使’小孢子败育的过程进行了显微观察。结果显示：①花粉母细胞减数分裂异常。
10. 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。
11. The contraction of chromatin towards one side of the nucleus during the prophase of meiosis.
    在减数分裂初期染色质向核子一侧紧缩。
12. The meiosis abnormalities phenomenon in Dendranthema and some of their hybrids were observed, and the formation mechanism also the role which played in the process of phylogenesis were analyzed.
    对不同倍数性菊属植物及其部分种间杂种的减数分裂异常现象进行观察统计，并分析其形成机制以及在菊属系统演化中的作用。
13. Genetics: 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。
14. 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。
15. The side by side pairing of homologous maternal and paternal chromosomes at the start of meiosis.
    在成熟分裂的前期父方染色体与母方同源染色体的等同的联会。
16. A new wheat male sterile strain "0176" was used to study its morphological characteristics, meiosis of pollen mother cells and seed setting percentage.
    对一个新小麦不育材料（代号：0176）的植株形态特征、花粉母细胞减数分裂过程及结实率进行了研究。
17. In all plants, and in many protists, meiosis results in the formation of haploid cells that can divide vegetatively without undergoing fertilization, referred to as spores.
    在所有的植物和许多原生生物中，减数分裂形成单倍体的细胞，这些细胞不经过受精就分裂生长，这就是孢子。
18. The separation of homologous chromosomes during meiosis.
    在减数分裂过程中同源染色体的分离。
19. Since a pollen grain is the result of meiosis, it has a single set of chromosomes and it is this that is recognized.
    既然花粉粒是减数分裂的结果，那么它含有单套染色体，而被识别的正是这套染色体。
20. Studies on the Meiosis of Pollen Mother Cell and Pollen Development of Picea koraiensis Nakai
    红皮云杉花粉母细胞减数分裂和花粉发育的研究
21. The interchange of sections between pairing homologous chromosomes during the prophase of meiosis.
    在减数分裂初期一对同源染色体之间片段（遗传物质）的互换过程。
22. Wang and his team found that sex chromosomes did play a role in meiosis.
    Wang和他的团队发现性染色体确实参与了减数分裂过程。
23. Therefore, defects in meiosis are a leading cause of both infertility and birth defects.
    因此，减数分裂若出错的话是导致不育和生育缺陷的主要原因。
24. There are two types of cell division: meiosis and mitosis.
    细胞分裂分为两种：有丝分裂与减数分裂。
25. For decades, conventional wisdom stated that the X chromosome had little to do with meiosis or infertility because the X chromosome is silenced during male meiosis.
    几十年来，传统的理论认为X染色体与减数分裂以及男性不育无关，因为在男性减数分裂过程中X染色体被沉默掉了。
26. In meiosis, the association of four homologous chromatids seen during the pachytene stage of prophase. ( genetics) used of homologous chromosomes associated in pairs in synapsis.
    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。（遗传学）属于在成熟分裂时联在一起的一对同源染色体。
27. 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。
28. The heterozygote genotypes in F2 population in this type of species are different from those in general species in which the genetic recombination occurs in meiosis of both male and female.
    这类物种的杂交F2群体中杂合子基因型的与一般物种中雌雄个体的减数分裂细胞都发生遗传重组的F2群体杂合子表型不同。

noun

1. understatement for rhetorical effect (especially when expressing an affirmative by negating its contrary)
   1. saying `I was not a little upset' when you mean `I was very upset' is an example of litotes

   Synonym:    litotes

2. (genetics) cell division that produces reproductive cells in sexually reproducing organisms

   Synonym:    miosisreduction division