Table 3.
Substitution parameters for branches with positive selection
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aClassification of topologies and branches following that in Figure 1. FSGD, fish-specific genome duplication.
bNumber of cases where the model A with foreground ω2 > 1 is significantly more likely than the model A with ω2 = 1.
cω0, the purifying selection pressure, has the same value for foreground and background branches; only the proportion of sites under ω0 varies.
