Yeast ArtificialChromosome (YAC) techniques play an important role in the analysis of human genome and the isolation and cloning of disease related genes.
人工酵母染色体（YAC）技术是人类基因组分析及疾病相关基因的分离、克隆中的关键技术。
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Bacterial artificialchromosome (BAC) is a kind of vector system used to construct large fragment insert libraries of genome DNA in human, animals and plants.