Monte Carlo simulation of ageing: Beyond bit-string models

被引:12
作者
Bernardes, AT [1 ]
Stauffer, D [1 ]
机构
[1] UNIV FED OURO PRETO,INST CIENCIAS EXATAS & BIOL,DEPT FIS,BR-35400000 OURO PRETO,MG,BRAZIL
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS C-PHYSICS AND COMPUTERS | 1995年 / 6卷 / 06期
关键词
senescence; Monte Carlo; mutational meltdown; population genetic theory;
D O I
10.1142/S0129183195000654
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
Penna's bit-string model of biological ageing due to the accumulation of deleterious mutations is generalized to allow for more than one disease per year. The results remain qualitatively unchanged except for a more complicated non-monotonic approach to equilibrium. We also look at ''mutational meltdown'', the extinction of the whole population if all mutations are deleterious and heritable, and why the Penna model can escape this extinction. No dependence on population size is found for mutational meltdown, with up to 10(8) individuals.
引用
收藏
页码:789 / 806
页数:18
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