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Pachytene

Definition

noun

The stage next to zygotene wherein the homologous chromosomes shorten, thicken, and separate into four distinct chromatids joined at the centromeres.


Supplement

During the first prophase of meiosis I, there are five sub-stages: leptotene, zygotene, pachytene, diplotene and diakinesis.


Word origin: French pachytène : Greek pakhus, thick + French -tène, ribbon pachytene French pachytène : Greek pakhus, thick + French -tène, ribbon


Synonym: pachynema

See also: prophase I, meiosis I


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please help me downloading an article.

title:Pachytene mapping in the female silkworm, Bombyx mori L. (Lepidoptera). author:Traut W. I find it from NCBI,but I can't download the full text.if you can,please do me a favor. thank you for your self-giving! my email:mloonjin@yahoo.com.cn

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by mloonjin
Tue May 08, 2007 10:27 am
 
Forum: Molecular Biology
Topic: please help me downloading an article.
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cell division

... at zygotene of prophase I 4. Exchange of genetic material between synapsed homologous chromosomes. mitosis - does not occur meiosis - occurs at pachytene of prophase I (first visible at diplotene) 5. Timing of division of centromeres. mitosis - occurs at anaphase meiosis - occurs at anaphase ...

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by Poison
Tue Feb 15, 2005 4:20 pm
 
Forum: Cell Biology
Topic: cell division
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