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. 2020 Jul 22;126(1):63–76. doi: 10.1038/s41437-020-0344-6

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© The Author(s) 2020

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Fig. 3 — Each bar represents an individual; colours represent genetic cluster identity, and bar heights represent inferred membership proportions to genetic clusters. The analysis was firstly carried out over all sites, showing K = 4 genetic clusters (a); separate analyses were subsequently conducted on multisite clusters identified therein (b, c), showing K = 4 (b) and K = 2 (c) genetic clusters. Analysis on the USA cluster yielded K = 1 (data not shown).