%0 Journal Article %T Discrete Evolutionary Genetics: Multiplicative Fitnesses and the Mutation-Fitness Balance %A Thierry Huillet %A Servet Martinez %J Applied Mathematics %P 11-22 %@ 2152-7393 %D 2011 %I Scientific Research Publishing %R 10.4236/am.2011.21002 %X We revisit the multi-allelic mutation-fitness balance problem especially when fitnesses are multiplicative. Using ideas arising from quasi-stationary distributions, we analyze the qualitative differences between the fitness-first and mutation-first models, under various schemes of the mutation pattern. We give some stochastic domination relations between the equilibrium states resulting from these models. %K Evolutionary Genetics %K Fitness Landscape %K Selection %K Mutation %K Stochastic Models %K Quasi-Stationarity %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=3806