Just as the fur of our mammalian domesticates, freed from the constraint of needing to fade into the landscape, became a riot of diverse colors, human pigmentation started to change and many populations became light-skinned. 经过人类驯化的哺乳动物的皮毛,在不需要适应环境的颜色后,变化成了各种各样的颜色。与此相同,人类的色素沉着开始发生变化,许多人群变成了浅肤色。