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. Author manuscript; available in PMC: 2017 Feb 8.
Published in final edited form as: Curr Biol. 2016 Jan 21;26(3):344–350. doi: 10.1016/j.cub.2015.11.069

Figure 3. Functional degradation of 2m.

Figure 3

(A) Using two different outgroups (diamond = golden-crowned sparrow, circle = Harris’ sparrow), the direction of selection statistic is strongly negative on 2m, indicating an increased level of non-sysnonymous polymorphism. (B) For genes within the inversion, gene expression in higher for tan birds than heterozygous (2/2m) white-morph birds and (C) in white birds, the white (2m) allele tends to be under-expressed relative to the tan (2) allele (**: p < 0.01; ***: p < 0.001). Error bars represent 95% confidence intervals (standard error). See also Figure S2, S4, and Table S1.