Original sentence: Conceptions of race, as well as specific ways of grouping races, vary by culture and over time, and are often controversial for scientific as well as social and political reasons.The term race refers to the concept of dividing people into populations or groups on the basis of various sets of characteristics and beliefs about common ancestry
Edited sentence: (Blacks of African ancestry), and Mongoloid (Asians).All three primary races have physical attributes that distinguist them from the other racial groups.Conceptions of race, as well as specific ways of grouping races, vary by culture and over time, and have recently become controversial due to political pressure from some racial groups.The term race refers to the identification and grouping of human beings by their genetic makeup.The three primary racial groups are Caucasoid (Whites of European ancestry), Negroid