If we consider that people settled around the planet had features of a certain group and the color of the dermis, then in due course the isolation of the group led to the formation of a light-skinned race.
Uma sicabanga ukuthi sahlala abantu iplanethi yayingagwegwesi oluthile izici ebusweni nangokuzwa umbala dermis ke ngokuhamba kwesikhathi inyumbazana ngenxa iqembu zaholela ekwakhekeni of uhlanga abanesikhumba esimhlophe.