Provide evidence of the unity of origin of the human races.

All races of man are of the same origin. The main evidence of this is the possibility of interracial marriages giving fertile offspring. Nowadays, due to the ease of movement of people around the globe, the number of mixed marriages is on the rise. For example, in Russia more than 45 million people belong to the transitional Caucasian-Mongoloid type. The mixing of races speaks of the species unity of man. Other evidence of this unity is the anatomical and physiological similarities of races, the commonality of blood groups and diseases, the similarity (on a non-verbal, emotional level) of communication methods. Finally, the degree of genome differences in people of different races is about 0.1%, which is clearly less than the average level of interspecies differences (more than 1%).