is about material entity genetic susceptibility genetic susceptibility factor Many types of genetic material can be called a genetic susceptibility factor, such as a gene, a haplotype, a microsatellite, a genotype and so on. The notion of the genetic susceptibility factor based on the output of a scientific investigation that aims to elucidate the association between a phenotype and genotype. The statistical methods, study population and geographical characteristic of the population often has an impact on the assessment of the 'genetic susceptibility'. The more replicate result among different study groups the stronger evidence can be used to determine the 'genetic susceptibility factor'. (YL. Feb. 13, 2013) YL, YH a genetic material that is the material base of genetic susceptibility textual conclusion of genetic susceptibility