IMMUNITY IN THE NOISY PENNA MODEL

Przemysław Biecek and Stanisław Cebrat
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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

International Journal of Modern Physics C (IJMPC), 2006, vol. 17, issue 12, 1823-1829

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.

Keywords: Penna model; immunity (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1142/S0129183106010133

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