EVOLUTION OF POPULATION WITH SEXUAL AND ASEXUAL REPRODUCTION IN CHANGING ENVIRONMENT

Mingfeng He, Changliang Yu, Hongbo Ruan () and Lei Yao
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Mingfeng He: Department of Applied Mathematics, Dalian University of Technology, Center of Innovative Education and Practice of Dalian University of Technology, Dalian 116024, China
Changliang Yu: Department of Automation, Dalian University of Technology, Dalian 116024, China
Hongbo Ruan: Department of Civil Engineering, Dalian University of Technology, Dalian 116024, China
Lei Yao: Department of Automation, Dalian University of Technology, Dalian 116024, China

International Journal of Modern Physics C (IJMPC), 2004, vol. 15, issue 02, 289-299

Abstract: Using a lattice model based on Monte Carlo simulations, we study the role of the reproduction pattern on the fate of an evolving population. Each individual is under the selection pressure from the environment and random mutations. The habitat ("climate") is changing periodically. Evolutions of populations following two reproduction patterns are compared, asexual and sexual. We show, via Monte Carlo simulations, that sexual reproduction by keeping more diversified populations gives them better chances to adapt themselves to the changing environment. However, in order to obtain a greater chance to mate, the birth rate should be high. In the case of low birth rate and high mutation probability there is a preference for the asexual reproduction.

Keywords: Evolution; sexual; asexual; aging (search for similar items in EconPapers)
Date: 2004
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DOI: 10.1142/S0129183104005693

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