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减数分裂

na.meiosis; reduction division
网络meiotic division; reductional division; Miosis

减数分裂

减数分裂

英-汉网络释义

减数分裂

na.

1.meiosis

2.reduction division

3

The cell prepares for meiosis just as it does for mitosis . But as the DNA condenses , each chromosome finds its homologous counterpart .

细胞减数分裂的准备同有丝分裂一样。但是，随着 DNA 的浓缩，每个染色体都会与其同源染色体配对。

4

The result of this process is sperm cells ready to fuse with an egg .

减数分裂的结果就是使精子细胞和卵细胞结合。

5

Meiosis is a special form of cell division that takes place in the reproductive organs that produce sex cells.

减数分裂过程中是一种特殊形式的细胞分裂，发生在生殖器官性细胞。

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After meiosis of megasporocyte , pistils of female flowers continued to grow and those of male flowers aborted.

大孢子母细胞减数分裂后，雌花雌蕊继续发育，雄花雌蕊败育。

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And the meiosis did not show any difference on their ploidy level , no matter which parents the genetic messages were acquired from .

各植株包含的遗传物质无论偏向于哪个亲本，在其各自的倍性水平上未能看出减数分裂过程中的差异。

8

Bivalent --- A pair of homologous chromosomes in association, as seen at metaphase of the first meiotic division .

发生联会时的一对于同源染色体，见于首届减数分裂的中期。

9

Meiosis comprises a pair of specialized nuclear divisions that produce haploid germ cells .

减数分裂由两次产生单倍体生殖细胞的核分裂组成。

10

The stability of meiosis seed-set rate and plumpness of kernels might be changed when the cytoplasm of a triticale was changed .

改变小黑麦细胞质有可能增加减数分裂的稳定性，提高小黑麦的结实率与籽粒饱满度。

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Bivalent Describing any pair of homologous chromosomes when they pair up during MEIOSIS .

在减数分裂中配对时的任意一对同源染色体。

13

Microspore mother cells in an anther started but did 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。

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Within the rice anther, meiosis of the pollen mother cell produces microspores, which further develop into pollen grains .

水稻的小孢子母细胞在花粉囊中进行减数分裂产生小孢子，小孢子进一步发育成花粉粒。

18

The chiasmata observed during the later stages of the meiotic prophase are cytological evidence of earlier cross-over events .

在减数分裂前期末所看到的交叉是在这以前发生了互换事件的细胞学证据。

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Terminalization The movement of chiasmata to the end of the bivalent arms , a process that may occur during late prophase I of meiosis .

发生在第一次减数分裂后期，染色体交叉向二价体染色体臂的末端移动的过程。

20

Because meiosis , so that each type of organism from generation to generation are able to maintain the diploid chromosome number .

由于减数分裂，使每种生物代代都能够保持二倍体的染色体数目。

21

Cytological studies were conducted on pollen mother cells(PMCs)meiosis of autotetraploid broccoli using chromosome preparation technique .

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。

22

Haploid - Having only one set of chromosomes , usually by meiosis , or resulting from an unfertilized eggs .

单倍体 -只有一个一套染色体，通常是减数分裂，或产生的未受精的卵子。

23

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。

24

In meiosis it is not until anaphase II that the centromere divides, the chromatids being termed daughter chromosomes after separation .

在减数分裂期间，直到分裂后期 II 两条染色单体才随着着丝点的分裂而彼此分开。更详细。

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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。

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Chiasma (pl. chiasmata) A connection between homologous chromosomes seen during the prophase stage of meiosis .

在细胞减数分裂的前期，同源染色体之间形成的接触点。

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