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Parthenogenetic Versus Sexual Reproduction: Mathematical Modelling of Population Dynamics
- Authors: Tretyakov V.S.1, Tretyakov N.P.1
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Affiliations:
- Peoples' Friendship University of Russia
- Issue: No 3-4 (2007)
- Pages: 85-92
- Section: Modeling and Simulation
- URL: https://journals.rudn.ru/miph/article/view/51144
- EDN: https://elibrary.ru/JWJLXP
- ID: 51144
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Abstract
Using a modified bit string aging model proposed by Penna we try to explain population dynamics of holocyclic species. In a system with two fractions (sexual and parthenogenetic) sexual population generates individuals with more genetic variability and these individuals are better adopted to the current environment. On the other hand, parthenogenetic population produces more offsprings. In our model a female can choose the best male among two randomly chosen males (i.e. with less deleterious mutations). We simulate a natural selection by this way. We show that in a system under deleterious external conditions, sexual fraction is better adopted to the current environment because of this single factor. In other words, female choice may be a unique factor responsible for the maintenance of sexual reproduction.
About the authors
V. S. Tretyakov
Peoples' Friendship University of Russia6, Miklukho-Maklaya str., Moscow, 117198, Russia
N. P. Tretyakov
Peoples' Friendship University of Russia6, Miklukho-Maklaya str., Moscow, 117198, Russia
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