Terminalization The movement of chiasmata to the end of the bivalent arms, a process that may occur during late prophase I of meiosis.
交叉):发生在第一次裂后期,染色体交叉二价体染色体臂的动的过程。
The chiasmata can slip off the ends of the bivalents, and thus chiasma frequency may be reduced by terminalization.
有时交叉可以从二价体处滑开,因此过程可以降低交叉频率。
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At the sites where exchange happens, chiasmata formed.
在发生地方,形成了叉。
At this stage, non-sister chromatids may cross-over at points called chiasmata (plural) , (singular: chiasma) .
在这阶段,非姐妹染色单体可能会叉。
The chiasmata remain on the chromosomes until they are at the transition to anaphase 1.
叉保留在染色体上,直到它们过渡到后期 1。
However, the homologous chromosomes of each bivalent remain tightly bound at chiasmata, the regions where crossing-over occurred.
然而,每二价体同源染色体仍然紧密结合在叉部位,也就是发生叉区域。
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