发布网友 发布时间:2022-08-10 02:20
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热心网友 时间:2024-12-02 14:08
region of the metaphase plate. During prophase, other microtubules, the centromeric 着丝粒fibers, extend outward from the spindle poles to structures on the chromosomes called kinetochores着丝粒. During anaphase the fibers begin to shorten, and the chromatids begin to move apart.热心网友 时间:2024-12-02 14:08
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