Strategies for Sharing Limited Resources among Children and Adolescents in Three Traditional Societies of East Africa: Sociocultural and Genetic Factorsстатья
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Дата последнего поиска статьи во внешних источниках: 29 апреля 2021 г.
Местоположение издательства:Road Town, United Kingdom
Первая страница:219
Последняя страница:224
Аннотация:Egalitarianism, pursuit for equality, and altruism are the most important evolutionarily stable
strategies in the human society. This study presents data on the results of economic games for sharing with a
potential friend or unfamiliar peer in three ethnic groups of East Africa (Hadza, Iraqw, and Meru). The total
sample was 583 children and adolescents; mean age, 13.5 ± 3.1 years. In addition, DNA analysis was carried
out and the OXTR gene rs53576 single nucleotide polymorphism was genotyped for 162 Meru individuals.
The pronounced individual variability in making decisions on sharing with a potential partner was established.
Children and adolescents behaved altruistically towards friends significantly more frequently as compared
with strangers. Carriers of the OXTR rs53576 GG variant displayed altruism significantly more frequently
both to friends (U = 3376.500, p = 0.047; OR = 3.075, p = 0.032) and to strangers (U = 3478.000, p =
0.025; OR = 3.133, p = 0.007). Significant intergroup differences in egalitarianism, egoism, and altruism were
also demonstrated. Data obtained suggest a positive group selection towards altruists.