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Proc Biol Sci. 1996 Jul 22;263(1372):813-22.

Cooperation and conflict in the evolution of individuality. II. Conflict mediation.

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1
Department of Ecology and Evolutionary Biology, University of Arizona, Tucson 85721, USA.

Abstract

Evolutionary transitions in the units of selection require the promotion of cooperation and the regulation of conflict among the lower level units. For multicellular organisms to emerge as a new unit of selection, the selfish tendencies of their component cells had to be controlled. Theoretical results indicate organisms may regulate this internal conflict and competition in several ways: by reducing the somatic mutation rate, by sequestering cells in a germ line and by directly reducing the benefits to cell of defecting.

PMID:
8760489
DOI:
10.1098/rspb.1996.0121
[Indexed for MEDLINE]
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