[Lactase polymorphism in representatives of different ethnic-territorial groups].

Abstract

Lactase polymorphism was studied in the native population of West Siberia and also in Buryatia. LAC*R frequency observed is-Khants- 0.8367, Mansi - 0.8660, Nenets - 0.8944, Buryats - 0.6883. The data obtained are considered to be the result of natural selection under traditional historical economical-cultural environment of the ethnic groups in question.