It may be the start of slavery period or the ethnic and political construct during the past few centuries that resulted in the racism concept. Race is not biological in real sense but evolution of human genome. Additionally, biological nature of race depends upon the hereditary factors and the influence of natural and social environments. Physical difference in various parts of world are stronger build, weak build, short height, color etc while hereditary include the traits
It may be the start of slavery period or the ethnic and political construct during the past few centuries that resulted in the racism concept. Race is not biological in real sense but evolution of human genome. Additionally, biological nature of race depends upon the hereditary factors and the influence of natural and social environments. Physical difference in various parts of world are stronger build, weak build, short height, color etc while hereditary include the traits