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Emergence of kinship structures and descent systems: multi-level evolutionary simulation and empirical data analysis

Itao, Kenji ; Kaneko, Kunihiko

Proceedings of the Royal Society. B, Biological sciences, 2022-02, Vol.289 (1969), p.20212641-20212641 [Revista revisada por pares]

England: The Royal Society

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Título:
Emergence of kinship structures and descent systems: multi-level evolutionary simulation and empirical data analysis
Autor: Itao, Kenji ; Kaneko, Kunihiko
Materias: Evolution
Es parte de: Proceedings of the Royal Society. B, Biological sciences, 2022-02, Vol.289 (1969), p.20212641-20212641
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Electronic supplementary material is available online at https://doi.org/10.6084/m9.figshare.c.5849154.
Descripción: In many indigenous societies, people are categorized into several cultural groups, or clans, within which they believe they share ancestors. Clan attributions provide certain rules for marriage and descent. Such rules between clans constitute kinship structures. Anthropologists have revealed several kinship structures. Here, we propose an agent-based model of indigenous societies to reveal the evolution of kinship structures. In the model, several societies compete. Societies themselves comprise multiple families with parameters for cultural traits and mate preferences. These values determine with whom each family cooperates and competes, and they are transmitted to a new generation with mutation. The growth rate of each family is determined by the number of cooperators and competitors. Through this multi-level evolution, family traits and preferences diverge to form clusters that can be regarded as clans. Subsequently, kinship structures emerge, including dual organization and generalized or restricted exchange, as well as patrilineal, matrilineal and double descent systems. These structures emerge depending on the necessity of cooperation and the strength of mating competition. Their dependence is also estimated analytically. Finally, statistical analysis using the Standard Cross-Cultural Sample, a global ethnographic database, empirically verified the theoretical results. Such collaboration between theoretical and empirical approaches will unveil universal features in anthropology.
Editor: England: The Royal Society
Idioma: Inglés

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Emergence of kinship structures and descent systems: multi-level evolutionary simulation and empirical data analysis

Itao, Kenji ; Kaneko, Kunihiko

England: The Royal Society

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