Altruism toward similar individuals evolves through kin selection
the verdict
SUPPORTED
the evidence backs this
confidence 83/100
The claim that altruism toward similar individuals evolves through kin selection is strongly supported by evolutionary theory and familial selection models.
Evidence for · 3
Social Evolution and Inclusive Fitness Theory
2015 · cited by 18
Inclusive fitness theory explains that altruistic behaviors toward genetic relatives evolve because they propagate shared genes.
See more details
More for · 2
Survival cost sharing among altruistic full siblings in Mendelian population.
2024 · cited by 2
Familial selection models demonstrate that altruism among siblings can evolve under conditions specified by Hamilton's rule.
Extraordinary siblings: Mole rats, marmosets, and Radcliffe-Brown.
2025 · cited by 0
Kin selection theory accounts for how organisms provide extraordinary altruistic advantages to close genetic relatives.