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. Author manuscript; available in PMC: 2015 Jun 24.
Published in final edited form as: Nat Rev Genet. 2015 May 12;16(6):359–371. doi: 10.1038/nrg3936

Figure 1. Expected length of archaic tracts under admixture and ancestral structure scenarios.

Figure 1

Schematic comparison of expected tract length of archaic-like tracts for a scenario of admixture (left panel) and a scenario of ancestral population structure (right panel). Because there is less time for recombination to break down the migrant tracts (red) in the admixed population, the expected tract length in this case will be longer than in the case of ancestral structure.