Stochastic Penna model for biological aging

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A stochastic genetic model for biological aging is introduced bridging the gap between the bit-string Penna model and the Pletcher-Neuhauser approach. The phenomenon of exponentially increasing mortality function at intermediate ages and its deceleration at advanced ages is reproduced for both the evolutionary steady-state population and the genetically homogeneous individuals.
8 pages with 3 figures; to appear in Theory in Biosciences

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Statistical Mechanics, Biological Physics, Populations and Evolution

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https://dspace.dare.co.zw/handle/123456789/23353

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arXiv

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