Objective: To research the types, the distributions for gender and age, and the hereditary mode of the petaloid toenails.

目的探讨瓣状甲的类型、性别和年龄分布及其遗传方式。

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The hereditary mode of handedness or folding leg was likely the dominant heredity of single gene of autosome, and the right type of them was the dominant character.

利手和叠腿很可能均为常染色体单基因遗传，利手右型和叠腿右型分别为显性性状；

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The hereditary mode of rolling tongue or pointed tongue was the dominant heredity of single gene of autosome, and the can-rolling type or can-pointed type was the dominant character.

卷舌和尖舌均为常染色体单基因显性遗传，能卷舌型和能尖舌型分别为显性性状；

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Orthodox study mode on multiple factor disease and large sample perspective study indicate that hereditary factor is a considerable role in the process of alcohol dependence pathogenesis.

传统的多因子疾病研究方法以及大样本前瞻性研究表明遗传因素在酒依赖发病过程中起重要作用。

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Orthodox study mode on multiple factor disease and large sample perspective study indicate that hereditary factor is a considerable role in the process of alcohol dependence pathogenesis.

传统的多因子疾病研究方法以及大样本前瞻性研究表明遗传因素在酒依赖发病过程中起重要作用。

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