To make sure the enucleation, ultraviolet light is used to check DNA located in the polar body and the metaphase plate.
为了确保细胞的去核，使用了紫外光检查位于极化体和中期板中的DNA。
The metaphase plate would thus be the null point between two equal but oppositely directed and acting groups of kinetochore tubules.
中期板大概是两个相等而方向相反的放射状著丝点微管群之间的平衡点。
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