Genetic supercycles caused by cyclical selection

V. M. Kirzhner, A. B. Korol, Y. I. Ronin, E. Nevo

Research output: Contribution to journalArticlepeer-review


Typical behavior of a two-locus genetic system experiencing cyclical selection, includes fixation (in one or both loci) or a stable polymorphic cycle with a period equal to that of environmental changes. By considering the time scale in terms of environmental periods, the last case could be trivially classified as a polymorphic stable point. Here we report on some results showing the complex limiting behavior of diploid population trajectories resulting from selection in a cyclically changing environment. We found that simple cyclical selection could produce genetic supercycles composed of many hundreds of environmental periods.

Original languageEnglish
Pages (from-to)7130-7133
Number of pages4
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number15
StatePublished - 18 Jul 1995


  • linkage
  • polymorphism
  • rec modifier

ASJC Scopus subject areas

  • General


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