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GENETIC SELECTION IN SPORTS CLIMBING: AN EXAMPLE OF THE FTO GENE POLYMORPHISM

A. YU. GAYDAMAKINA (1), E. Z. GODINA (1), YU. V. BAYKOVSKIY (1), I. A. KHOMYAKOVA (2), L. V. ZADOROZHNAYA (2), E. A. BONDAREVA (2) 1 -RUSSIAN STATE UNIVERSITY OF PHYSICAL EDUCATION, SPORTS, YOUTH AND TOURISM (SCOLIPE), MOSCOW, RUSSIA 2 -LOMONOSOV MOSCOW STATE UNIVERSITY, MOSCOW, RUSSIA

Objective: to study genetic selection of polymorphic system of the FTO gene (Т/А, rs9939609) in a group of sports climbers. Materials and Methods: 214 individuals were examined: 55 (23 females and 22 males) professional sports climbers; and 159 sedentary individuals (70 females and 89 males).
Results: the frequency of A-allele, associated with the predisposition to increased fat accumulation, was higher in the non-athletes’ group (FTO*A 46.8% FTO*T 53.2% vs FTO*A 32.7% FTO*T 67.3%, χ2 = 6.1 р=.01). Anthropometric measurements confirmed that sports climbers were the carriers of T-allele of the FTO gene.
Conclusions: the observed changes in the genotype and allele frequencies in sports climbers who went through many years of professional selection and demonstrated high achievements in this sports, testified to genetic selection of the carriers of the original T-allele (genotypes FTO*TT and FTO*TA).
Keywords: 
FTO; sports selection; rock-sports climbers; anthropogenetics.