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Contour density plots of match proportion of human-Neanderthal introgressed segments to the actual Vindija and Altai Neanderthal genomes. The plot visualizes the affinity of all Sprime inferred fragments to the Altai and Vindija Neanderthals (0 = completely different, 1 = identical to Neanderthal). The red x marks the human-Neanderthal introgressed ABO alleles found in (a) European and (b) Asian populations.
