比较基因组杂交技术用于分析染色体dna水平的改变，能获得良好结果并具有可重复性，从而提供了一条肿瘤细胞遗传学研究的可行路径。

CGH are applied to analyze DNA level changes of chromosome, can get good results and can be repeated well, it is an advisable way of tumor cellular genetic research.

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目前，已经有大量的方法用于识别转录因子结合位点，大致可分为基于保守模体和比较基因组学两种方法。

There are a large number of methods for identifying transcription factor binding sites, and it can be divided into two ways: conservative motif based and comparative genomics.

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