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The dermatoglyphic characteristics of a sample of mountain Talyshes are provided and compared with a Talysh population of the Caspian Lowland and the main races of Caucasia, taking into account the char acters of sexual dimorphism and bilateral asymmetry. It is shown that many dermatoglyphic traits of sexual dif ferences coincide with differences between the right and left hands. Based on the assumption of the leading role of males and right hands of humans in evolution, the major trends in the evolution of dermatoglyphics are recognized. Our conclusions are indirectly confirmed by the fact that traits that are regarded as advanced show increased variability.

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