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. 2012 Mar 26;109(16):6142–6146. doi: 10.1073/pnas.1118918109

Fig. 2.

Fig. 2.

Estimates of minimum haploid second chromosome mutation rate, Umin, and maximum average effect of new mutations, Inline graphic. (A) Compared with the unloaded treatment, UL, average Umin was approximately 2.8 times greater for the loaded treatment, L (∼2.7 times for those carrying one treatment allele, L1, and ∼2.8 times for those carrying two alleles, L2). (B) Compared with the unloaded treatment, average Inline graphic was only approximately 1.3 times greater for loaded treatment (∼1.4 times for those carrying one treatment allele and ∼1.3 times for those carrying two treatment alleles). Error bars represent ± 1 SE among different backgrounds within the loaded treatments.