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Mutations and changes of the environment in a model of biological evolution

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  • Pȩkalski, Andrzej

Abstract

Time evolution of a model of population of diploid organisms is studied using the Monte Carlo technique. Reproduction of the individuals follows the Mendelian rules, including the recombination. We compare the effects of harmful mutations and changes of the environment on the population size, its average adaptation and the average age of the individuals. We show that at short time scale the mutations change the dynamics more deeply. If however the environment was subject to several changes, the effect is much more drastic and may even lead to the extinction of the population.

Suggested Citation

  • Pȩkalski, Andrzej, 1999. "Mutations and changes of the environment in a model of biological evolution," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 265(1), pages 255-263.
    • Handle: RePEc:eee:phsmap:v:265:y:1999:i:1:p:255-263
    DOI: 10.1016/S0378-4371(98)00646-3
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    Cited by:

    1. Holmström, Kerstin & Jensen, Henrik Jeldtoft, 2004. "Who runs fastest in an adaptive landscape: sexual versus asexual reproduction," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 337(1), pages 185-195.
    2. De Falco, I. & Della Cioppa, A. & Tarantino, E., 2006. "Effects of extreme environmental changes on population dynamics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 369(2), pages 619-631.

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