Ontology highlight
ABSTRACT:
SUBMITTER: Tsutsui ND
PROVIDER: S-EPMC298729 | biostudies-literature | 2003 Feb
REPOSITORIES: biostudies-literature
Tsutsui Neil D ND Suarez Andrew V AV Grosberg Richard K RK
Proceedings of the National Academy of Sciences of the United States of America 20030121 3
The evolution and persistence of cooperative social units depends on the ability to distinguish group members from nonmembers. The precision of discrimination, in turn, relies on variation in the labels that individuals use to recognize group members. However, this same variation can be selected against if individuals that are rejected as nonmembers incur a high cost. Here we provide evidence that selection against individuals from genetically diverse groups has contributed to the formation of t ...[more]