Result Nasopharyngeal carcinoma is polygene heredity disease, which is affected by heredity and environment together. 结果鼻咽癌是遗传因素与环境因素共同作用的多基因遗传病。
Psoriasis is a disease of multifactorial inheritance, and not every member of offsprings of psoriasis patients would develop it. 银屑病是一种复杂的多基因遗传病，有家族遗传倾向，但并非每个子代均发病。
