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Figure 2 | BMC Evolutionary Biology

Figure 2

From: Gene flow persists millions of years after speciation in Heliconiusbutterflies

Figure 2

Posterior probability distributions for between-species population migration rates. Three pairwise comparisons based on DNA sequence data for 14 genes revealed non-zero rates of historical gene flow from the melpomene/cydno clade into the silvaniform clade (a, b, c). Locus specific estimates of gene flow into H. hecale from H. melpomene, H. pachinus, and H. cydno, respectively, for the two loci that exhibit evidence of between-clade introgression, cubitus interruptus and white (d, e, f).

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