重叠群（contig）：彼此可以通过末端的重叠序列相互连接形成连续的DNA长片段的一组克隆。
端粒克隆、着丝粒克隆以及重叠群之间空缺的大小都经过粗线期染色体荧光原位杂交鉴定。
BAC clones corresponding to telomeres, as well as to the centromere position and the gap sizes between contigs, were determined by BAC-pachytene chromosome fluorescence in situ hybridization (FISH).
基因组浏览器是允许用户在一个参考序列(例如一个染色体或片段重叠群)环境内，可视化dna、蛋白质或其他序列特征的软件。
A genome browser is software that allows users to visualize DNA, protein, or other sequence features within the context of a reference sequence, such as a chromosome or contig.
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