The waiting time for m mutations
Abstract
We consider a model of a population of fixed size N in which each individual gets replaced at rate one and each individual experiences a mutation at rate μ. We calculate the asymptotic distribution of the time that it takes before there is an individual in the population with m mutations. Several different behaviors are possible, depending on how μ changes with N. These results have applications to the problem of determining the waiting time for regulatory sequences to appear and to models of cancer development.
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