Objective:The linkage analysis of gene polymorphism and diseases is the common method to study the molecular biological base of multigenic diseases.
目的：基因多态和疾病的连锁分析是目前研究多基因疾病分子生物学基础的常用方法。
For families without inversions, it is easier and more cost-effective to undertake linkage analysis of genetic polymorphism based on PCR.
对于无倒位的家系，利用基因多态性进行遗传连锁分析较为有效可行。
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