The chiasmata can slip off the ends of the bivalents, and thus chiasma frequency may be reduced by terminalization.
有交叉以从二价体末端处滑开,因此移端过程以降低交叉频率。
Terminalization The movement of chiasmata to the end of the bivalent arms, a process that may occur during late prophase I of meiosis.
交叉)移端:发生在第一次减数期,染色体交叉向二价体染色体臂的末端移动的过程。
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The chiasmata remain on the chromosomes until they are at the transition to anaphase 1.
交叉保留在染色体上,直到它们渡到后 1。
At this stage, non-sister chromatids may cross-over at points called chiasmata (plural) , (singular: chiasma) .
在这个阶段,非姐妹染色体可能会交叉。
Each part receives input from each eye via the optic chiasma, the point at which the optic nerves from the left and right eye meet.
每个部视交叉接收来自每只眼睛的输入,视交叉是左右眼视神经的交汇点。
This is reminiscent of the way information from the eyes is handled; the crossover of the optic nerve in the optic chiasma is essential for stereoscopic vision and interpretation of distance.
这让人想起眼睛处理信息的方式。视神经在视交叉中的交叉对于立体视觉和距离解释至关重要。
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