The hereditary mode of handedness or folding leg was likely the dominant heredity of singlegene 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;
2
The hereditary mode of rolling tongue or pointed tongue was the dominant heredity of singlegene 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;
3
Analyzing the data of 51 nuclear families and 2 families with 3 generations, it was found that petaloid toenail had the same hereditary characters as a dominantsingle-gene trait.