Complex Dynamics of Multilocus Systems Subjected to Cyclical Selection
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...
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Veröffentlicht in: | Proceedings of the National Academy of Sciences - PNAS 1996-06, Vol.93 (13), p.6532-6535 |
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creator | Kirzhner, V. M. Korol, A. B. Nevo, E. |
description | 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 longterm time periods. |
doi_str_mv | 10.1073/pnas.93.13.6532 |
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source | MEDLINE; JSTOR Archive Collection A-Z Listing; PubMed Central; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
subjects | Biological Evolution Cellular biology chaos Chromosome Mapping Ecological competition Evolution Evolutionary genetics Gametes Genes, Dominant Genetic loci Genetic Variation Genetics, Population Haplotypes Models, Genetic Phenotypic traits Population genetics Selection, Genetic Stabilizing selection Trajectories |
title | Complex Dynamics of Multilocus Systems Subjected to Cyclical Selection |
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