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THE STUDY OF RACES
RACE AND THE GENES
Human Breeding Habits
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adaptation Africa American Indians ancestors animals apes appear archaic Australia blond blood body bones brain build called capacity characters Chinese cities climate cold color Courtesy diet differences diseases early effect elements environment equally Europe European evidence evolution evolutionary exists extreme face factors forests function genes genetic hair heat human individuals iris island kind layer least less light living lower means measured Mediterranean medium Middle Mongoloid mountains Museum mutation natural Negro Nordic North Northern nose organism paleanthropic period physical pigment places Plate Pleistocene population possible present probably produce races racial regions result selection shape short single skin skull South spiral stature surface teeth temperature thick tion true University usually variations vary whole York