软基因扫描通过多个基因共同作用，以改变人的某些特征，如身高等。
Soft sweeps work on traits affected by many genes, like height.
是剩下的那0.1%的部分，影响着那些我们之间的不同，如身高，头发的颜色和对疾病的敏感性等。
It is the remaining 0.1% that influences the differences between us, such as height, hair colour and susceptibility to a particular disease.
“偏手性有基因基础，但是同人的其他特征——如身高、体重——一样，十分复杂，”他说，“单独一个基因并不能导致它，环境因素在其中也有很大作用。”
"Handedness has a genetic basis, but like other complex traits - height, weight - it is complex," he said. "it's not a single gene that leads to it."There's a strong environmental component, too.
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