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Fig. 5 | BMC Evolutionary Biology

Fig. 5

From: Differential introgression and the maintenance of species boundaries in an advanced generation avian hybrid zone

Fig. 5

Analysis of introgression patterns comparing hybrid index for a focal locus (y axis) versus hybrid index for a multilocus expectation (x axis). Clines were compared using the logit-logistic model of Fitzpatrick [99]. Two loci are presented in each plot; black and gray points represent the raw data points for each marker. Line color indicates whether markers are shifted toward nelsoni (blue) or caudacutus (red) based on estimates of u. Line type indicates whether markers show gradual (dotted) or abrupt slopes (solid) based on estimates of v

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