Each DNA molecule that forms a chromosome must contain a centromere, two telomeres, and replicating origins.
每个dna分子包含一个着丝粒、两个端粒和多个复制源。
Chromatids --- The two parallel strands of chromatin, connected at the centromere, that constitute a chromosome after DNA synthesis.
染色体复制后仍由同一个着丝粒连在一起的两条子染色体。
Using DNA probe specific for centromere region of chromosome 3,7,8,9 and 12, we have detected the lymphocyte of peripheral blood, the fresh tissue and the paraffin section of tumor tissue.
用3、 7、 8、 9、 1 2号染色体着丝粒特异性DNA探针，分别对外周静脉血的淋巴细胞、新鲜实体瘤组织、瘤组织石蜡切片进行染色体检测。
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