Given that, genetically, the difference between a chimp and a human is 1%?

How do we rationalize the idea that race exists. Humans share over 99% of their DNA in common, they share 98% primates, and 39% with plants. The average African - American, is 20 --> 30% Native American & European; the average Mexican, is upwards of 55% European, and humans intermix in practically every part of... show more How do we rationalize the idea that race exists. Humans share over 99% of their DNA in common, they share 98% primates, and 39% with plants. The average African - American, is 20 --> 30% Native American & European; the average Mexican, is upwards of 55% European, and humans intermix in practically every part of the world in which they inhabit.

Added to this is the fact that, according to the most plausible modern scientific theories concerning human origins, all humans originated in East Africa & then spread though the world. Genetically speaking, modern day Africans have the genes of every group in the world

http://www.newser.com/story/19615/africans-have-most-diverse-dna.html
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