Kin terms and fitness interdependence

Lee Cronk*, Dieter Steklis, Netzin Steklis, Olmo R. van den Akker, Athena Aktipis

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Although genetic relatedness has been shown to be an important determinant of helping and other forms of cooperation among kin, it does not correspond well to the different types of kin designated by the kin terminologies used in human societies. This mismatch between genetic relatedness and kin terms has led some anthropologists to reject the idea that kin terms have anything to do with genetic relatedness or anything else biological. The evolutionary and cultural anthropological approaches can be reconciled through an appreciation of the concept of fitness interdependence, defined as the degree to which two or more organisms positively or negatively influence each other's success in replicating their genes. Fitness interdependence may arise for a variety of reasons, including not only genetic relatedness but also mating and marriage, risk-pooling, mutual aid, and common group membership. The major kin term systems correspond to cross-culturally variable but recurrent patterns of fitness interdependence among different types of kin. In addition, changes from one kin term system to another are associated with corresponding changes in recurrent patterns of fitness interdependence among kin, and kin terms are often used metaphorically in situations in which fitness interdependence has arisen among non-kin.

Original languageEnglish
Pages (from-to)281-291
JournalEvolution and Human Behavior
Volume40
Issue number3
DOIs
Publication statusPublished - 2019

Keywords

  • Kin terms
  • Kinship terminologies
  • Kinship
  • Genetic relatedness
  • Fitness interdependence
  • CULTURAL-GROUP SELECTION
  • GENERATIVE PSYCHOLOGY
  • CORESIDENCE DURATION
  • HUMAN KINSHIP
  • COOPERATION
  • EVOLUTIONARY
  • ALTRUISM
  • RESIDENCE
  • SCALE
  • GAME

Cite this

Cronk, Lee ; Steklis, Dieter ; Steklis, Netzin ; van den Akker, Olmo R. ; Aktipis, Athena. / Kin terms and fitness interdependence. In: Evolution and Human Behavior. 2019 ; Vol. 40, No. 3. pp. 281-291.
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Kin terms and fitness interdependence. / Cronk, Lee; Steklis, Dieter; Steklis, Netzin; van den Akker, Olmo R.; Aktipis, Athena.

In: Evolution and Human Behavior, Vol. 40, No. 3, 2019, p. 281-291.

Research output: Contribution to journalArticleScientificpeer-review

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