CoachA chromosome is a threadlike body in the nucleus, visible (well stained, at division time) as the nucleus’s contents coil up for transport. Between divisions the same threads run loose and invisible — working state; at division they condense — moving state. Photographed and sorted, a cell’s chromosomes make its karyotype: the full deck, laid out.
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Biology · 术语表
什么是 Chromosomes？
又称： chromosome · karyotype