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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Science. 2018 Apr 19;360(6389):656–660. doi: 10.1126/science.aar3684

Figure 2. Hybridization between X. birchmanni and X. malinche.

Figure 2

(A) Maximum likelihood trees from RAxML for 1,000 alignments of randomly selected 10 kb regions. Dxy refers to the average nucleotide divergence between X. birchmanni and X. malinche. (B) Locations of hybrid populations in river systems in Hidalgo, Mexico; listed in blue are elevations of the hybrid populations and typical elevations for parental populations. (C) Inferred ancestry proportions of individuals from each population. (D) Effective population sizes inferred from three X. malinche genomes (sampled from two populations) and 20 X. birchmanni genomes; 50 bootstraps are shown for one individual from each X. malinche population (21).