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单词 zygotene
释义

zygotene /'zaɪgə(ʊ)tiːn//'zɪɡotin/

英汉-汉英词典
n. [细胞生物]偶线期
词组 | 习惯用语
您要查找的是不是:
  • gotten v. 得到;达到(get的过去分词)
  • zygote n. 受精卵;接合子
  • zygotic adj. 合子的;受精卵的
  • scouting n. 童子军的活动;初步勘探;搜索活动 v. 侦察,刺探;寻找;物色(人才等)(scout的ing形式)

网络短语:
zygotene thread 接合丝
Zygotene nodule 偶线期节;关于偶线期节;的发育及偶线期节
zygotene stage 偶线期;偶丝期;接合丝期
zygotene pairing 偶线配对
Zygotene Stages 偶线期
single zygotene chromosome 单偶线染色体
英语例句库
  1. Prophase may be divided into successive stages termed leptotene, zygotene, pachytene, diplotene, and diakinesis.
    前期可被分为连续的阶段:细线期、偶线期粗线期、双线期和终变期。
  2. In addition,the homeologous multivalent s have been observed in spreads of zygotene but these multivalents were ultimate ly resolved.
    在偶 线期还观察到由同祖配对形成的多价体,但在随后阶段中这些多价体消失。

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中文百科

减数分裂 Meiosis

(重定向自Zygotene)
减数分裂图谱
Visión general de la meiosis. En la interfase se duplica el material genético. En meiosis I los cromosomas homólogos se reparten en dos células hijas, se produce el fenómeno de entrecruzamiento. En meiosis II, al igual que en una mitosis, cada cromátida migra hacia un polo. El resultado son 4 células hijas haploides (n).
Meiosis. Se divide en dos etapas. Meiosis I o fase reductiva: su principal característica es que el material genético de las células hijas es la mitad (n) del de las células progenitoras (2n). Meiosis II o fase duplicativa: las células resultantes de esta etapa tienen diferente contenido genético que sus células progenitoras (n).

减数分裂英语:meiosis)是生物细胞中染色体数目减半的分裂方式。性细胞分裂时,染色体只复制一次,细胞连续分裂两次,染色体数目减半的一种特殊分裂方式。减数分裂不仅是保证物种染色体数目稳定的机制,同且也是物种适应环境变化不断进化的机制。 例如:植物的有性生殖,大孢子母细胞→大孢子,此阶段需要进行减数分裂。

英语百科

Meiosis 减数分裂

(重定向自Zygotene)
In meiosis, the chromosomes duplicate (during interphase) and homologous chromosomes exchange genetic information (chromosomal crossover) before a first division, called meiosis I. The daughter cells divide again in meiosis II, splitting up sister chromatids to form haploid gametes. Male and female gametes fuse during fertilization, creating a diploid cell with a complete set of paired chromosomes.
A video of meiosis I in a crane fly spermatocyte, played back at 120× the recorded speed.
Gametic life cycle.
Zygotic life cycle.

Meiosis /mˈss/ is a specialized type of cell division that reduces the chromosome number by half. This process occurs in all sexually reproducing single-celled and multicellular eukaryotes, including animals, plants, and fungi. Errors in meiosis resulting in aneuploidy are the leading known cause of miscarriage and the most frequent genetic cause of developmental disabilities.

近义、反义、联想词
近义词
n.
phase, stage

联想词
cytoplasm细胞质;nuclei核心,核子;nucleus核,核心;embryo胚胎;apoptosis细胞死;chromatin核染质;
英英词典
zygotene n.
  1. the second stage of the prophase of meiosis
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更新时间:2025/6/19 2:31:29