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- Title
Kin Selection and Its Critics.
- Authors
Birch, Jonathan; Okasha, Samir
- Abstract
Hamilton's theory of kin selection is the best-known framework for understanding the evolution of social behavior but has long been a source of controversy in evolutionary biology. A recent critique of the theory by Nowak, Tarnita, and Wilson sparked a new round of debate, which shows no signs of abating. In this overview, we highlight a number of conceptual issues that lie at the heart of the current debate. We begin by emphasizing that there are various alternative formulations of Hamilton's rule, including a general version, which is always true; an approximate version, which assumes weak selection; and a special version, which demands other restrictive assumptions. We then examine the relationship between the neighbor-modulated fitness and inclusive fitness approaches to kin selection. Finally, we consider the often-strained relationship between the theories of kin and multilevel selection.
- Subjects
KIN selection (Evolution); BIOLOGICAL evolution; SOCIAL evolution; INCLUSIVE fitness (Evolution); SEX ratio
- Publication
BioScience, 2015, Vol 65, Issue 1, p22
- ISSN
0006-3568
- Publication type
Article
- DOI
10.1093/biosci/biu196