Figure 4: Fixation time of pseudogenes. We tested three types of gene conversion (double-headed arrows): (a) allelic-trans, (b) cis, and (c) nonallelic-trans gene conversion. The three graphs show that the pseudogene fixation time (in units of a generation) in a population (2 ) depends on the gene conversion rate ( = 0–20). The mutation rate is assumed to be constant (2 = 1) for the three cases shown here.