But he said it had been found in a separate study of twi that finger length was largely inherited, po ibly explaining why orting parents often have orting children.

• 但是，他说，对双胞胎所做的另一个研究表明，手指长度主要受遗传因素影响，这可以解释为什么运动能力强的父母生的孩子运动能力也较强。