Theories of kin and group selection: a population genetics perspective.
D000533:Altruism; D000818:Animals; D005075:Biological Evolution; D004777:Environment; D005260:Female; D005787:Gene Frequency; D005828:Genetics, Population; D005838:Genotype; D008297:Male; D008957:Models, Genetic; D012641:Selection, Genetic; D012726:Sexual Behavior, Animal; D012919:Social Behavior