测序对象：基因组DNA

根据参考基因组是否已知，分为

        de novo sequencing 从头测序

        Re-sequencing 重测序

根据所测基因组范围，分为

        Whole genome sequencing 全基因组测序

        Target sequencing 靶向测序

                Whole exome sequencing 全外显子测序

                Customs equencing 自定义测序