The chiasmata can slip off the ends of the bivalents, and thus chiasma frequency may be reduced by terminalization.
有以从二价体末端处滑开，因此移端过程以降低频率。
Terminalization The movement of chiasmata to the end of the bivalent arms, a process that may occur during late prophase I of meiosis.
)移端：发生在第一次裂后期，染色体向二价体染色体臂的末端移动的过程。
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At the sites where exchange happens, chiasmata formed.
发生交换的地方，形成了交叉。
The chiasmata remain on the chromosomes until they are at the transition to anaphase 1.
交叉留染色体上，直到它们过渡到后期 1。
At this stage, non-sister chromatids may cross-over at points called chiasmata (plural) , (singular: chiasma) .
个阶段，非姐妹染色单体可能会交叉。
However, the homologous chromosomes of each bivalent remain tightly bound at chiasmata, the regions where crossing-over occurred.
然而，每个二价体的同源染色体仍然紧密结合交叉部位，也就是发生交叉的区域。
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详细解释
以从二价体末端处滑开，因此移端过程以降低频率。
裂后期，染色体
发生交换的地方，形成了交叉。
留
个阶段，非姐妹染色单体可能会交叉。
