1998
DOI: 10.1103/physreve.57.4842
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Genetic polymorphism in an evolving population

Abstract: We present a model for evolving population which maintains genetic polymorphism. By introducing random mutation in the model population at a constant rate, we observe that the population does not become extinct but survives, keeping diversity in the gene pool under abrupt environmental changes. The model provides reasonable estimates for the proportions of polymorphic and heterozygous loci and for the mutation rate, as observed in nature.PACS numbers: 87.10.+e, 02.70.Lq In the biological evolution process, … Show more

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Cited by 3 publications
(2 citation statements)
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“…The amount of new variation that arise by mutation in each generation is sufficient to explain observed levels of quantitative variation, i.e. a balance between variation created by new mutation and natural selection can keep the polymorphism [11]. Second, frequency-dependent selection occurs whenever the fitness of a variant depends on its frequency.…”
Section: Introductionmentioning
confidence: 99%
“…The amount of new variation that arise by mutation in each generation is sufficient to explain observed levels of quantitative variation, i.e. a balance between variation created by new mutation and natural selection can keep the polymorphism [11]. Second, frequency-dependent selection occurs whenever the fitness of a variant depends on its frequency.…”
Section: Introductionmentioning
confidence: 99%
“…We then study the center of mass motion of the particles. As the depth of the pile increases, its motion can be different from that of a single particle [24]. For the parameters with which the motion of a single particle is periodic with period T = 1/f , the motion of the pile can be subharmonic at large depth.…”
mentioning
confidence: 99%