Complex dynamics of multilocus systems subjected to cyclical selection

V. M. Kirzhner, A. B. Korol, E. Nevo

Research output: Contribution to journalArticlepeer-review


Earlier we have shown that oscillations with a long period ('supercycles') may arise in two-locus systems experiencing cyclical selection with a short period. However, this mode of complex limiting behavior appeared to be possible for narrow ranges of parameters. Here we demonstrate that a multilocus system subjected to stabilizing selection with cyclically moving optimum can generate ubiquitous complex limiting behavior including supercycles, T-cycles, and chaotic-like phenomena. This mode of multilocus dynamics far exceeds the potential attainable under ordinary selection models resulting in simple behavior. It may represent a novel evolutionary mechanism increasing genetic diversity over long-term time periods.

Original languageEnglish
Pages (from-to)6532-6535
Number of pages4
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number13
StatePublished - 25 Jun 1996

ASJC Scopus subject areas

  • General


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