J. Phys. I France
Volume 5, Numéro 8, August 1995
Page(s) 935 - 940
DOI: 10.1051/jp1:1995173
J. Phys. I France 5 (1995) 935-940

Senescence from Reproduction

John Thoms, Peter Donahue and Naeem Jan

Physics Department, St. Francic Xavier University, Antigonish, Box 5000, Nova Scotia, B2G 2W5, Canada

(Received 2 June 1995, accepted 7 June 1995)

We present results from Monte Carlo simulations of a modified "bit-string" model of Penna which show that ageing or senescence may be the result of reproduction over an extended period, as expected from mutation accumulation. This induces an effective form of antagonistic pleiotropy. We also obtain a double maxima in the distribution of the age at which death occurs. These results may be relevant to current theories of ageing.

© Les Editions de Physique 1995

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