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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: A history of hybrids? Genomic patterns of introgression in the True Geese

Fig. 1

Expected distribution of divergence times. If gene flow occurred during the diversification process, it will be indistinguishable from genetic divergence at other loci, resulting in a single peak (left graph). A similar pattern is expected under incomplete lineage sorting, but to discriminate between gene flow and incomplete lineage sorting, other analyses are warranted. If, on the other hand, gene flow occurred after the diversification process, introgressed loci will show more recent divergence times, which becomes apparent as a recent, smaller peaks (right graph)

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