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'''Race''' is a concept which classifies human beings according to broad physical characteristics such as skin color.  

'''Race''' is a concept which classifies human beings according to broad physical characteristics such as skin color.  

Various different classifications have been proposed for human races in the past.  Evolutionary text books used to have a chapter on eugenics that discussed the 3 race breakdowns of Negroid (mostly Africans), Mongoloid (mostly Asian) and Caucasian (mostly Europeans) and which of the races were the furtherest along in evolution.

Various different classifications have been proposed for human races in the past.  Evolutionary text books used to have a chapter on eugenics that discussed the 3 race breakdowns of Negroid (mostly Africans), Mongoloid (mostly Asian) and Caucasian (mostly Europeans) and which of the races were supposedly the furtherest along in "evolution".

The concept of race is no longer considered scientifically valid, as there is very little genetic differences between the so-called races, and those differences are mostly superficial.

The concept of race is no longer considered scientifically valid, as there is very little genetic differences between the so-called races, and those differences are mostly superficial.