And also your gene question. As I told you GOD has diff trait for diff ppl. Not because africans are darker then can withstand heat. God made them withstand that heat. Say for example if I place you in a middle of a desert. You would burn right. Right because your epidermis and your dermisis is taking too much damage from the suns ray. God didnt create you to stand that much heat did he? I wonder what he made you for.