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Immunity In The Noisy Penna Model

Author

Listed:
  • PRZEMYSŁAW BIECEK

    (Department of Genomics, Wrocław University, ul. Przybyszewskiego 63/77, 51-148 Wrocław, Poland)

  • STANISŁAW CEBRAT

    (Department of Genomics, Wrocław University, ul. Przybyszewskiego 63/77, 51-148 Wrocław, Poland)

Abstract

We have modified the Penna standard sexual model in such a way, that the state of each individual has been determined by the individual fluctuation and the fluctuation of the environment. If the sum of both fluctuations is higher than the assumed limit, the organism dies. Additionally, the individuals can learn the trends of the environment's fluctuations, diminishing their deleterious effects. This mechanism leads to the higher mortality of the youngest individuals and the lowest mortality of individuals just before reaching the minimum reproduction age. These phenomena are observed in any mortality curve describing the age structures of human populations.

Suggested Citation

  • Przemysław Biecek & Stanisław Cebrat, 2006. "Immunity In The Noisy Penna Model," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 17(12), pages 1823-1829.
    • Handle: RePEc:wsi:ijmpcx:v:17:y:2006:i:12:n:s0129183106010133
    DOI: 10.1142/S0129183106010133
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    Keywords

    Penna model; immunity;

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