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Time to fixation Tfx versus number of loci λ required to be changed to yield the multiresidue (MR) feature. v =10−8; ρ=1000; s =0.01. Values for population sizes N are given across the top axis. In all cases the curves are determined from equation 4. A line is drawn across the figure at Tfx = 1 / v, which is 108 generations. Above the line, values for Tfx are essentially unaffected by pre-equilibration of the population in the absence of selection.
