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1.3 数据处理 1.3.1 基因组序列比对与质量控制 将原始数据 (Raw Data)中带接头和低质量的序列进行过滤,从 而得到高质量序列(Clean Reads).过滤步骤如下: (1)去除接头污染的 Reads(Reads 中接头污染的碱 基数大于 5 bp);(2)去除低质量的 Reads(超过 50%的碱基质量值低于 19 的 Reads);(3)去除含 N ...