APP A fragment of a chromosome that does not contain a centromere.Because of the absence of a centromere,acentric fragments do not segregate at mitosis and eventually disappear. 缺乏著絲粒的染色體片段。由于缺乏著絲粒,無(wú)著絲粒片段在有絲分裂中不分離和最終丟失。......（本文共 189 字） [閱讀本文] >>
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A fragment of a chromosome that does not contain a centromere.Because of the absence of a centromere,acentric fragments do not segregate at mitosis and eventually disappear. 缺乏著絲粒的染色體片段。由于缺乏著絲粒,無(wú)著絲粒片段在有絲分裂中不分離和最終丟失。......（本文共 189 字） [閱讀本文] >>
