开通会员 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. 缺乏着丝粒的染色体片段。由于缺乏着丝粒,无着丝粒片段在有丝分裂中不分离和最终丢失。......（本文共 189 字） [阅读本文] >>
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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. 缺乏着丝粒的染色体片段。由于缺乏着丝粒,无着丝粒片段在有丝分裂中不分离和最终丢失。......（本文共 189 字） [阅读本文] >>