Figure 4

RGB images for the scores of three axes resulting form the PCO analyses of PhiPT values between population pairs (excluding the Yakutian cattle) for: (a) the mtDNA data and (b) the Y-chromosome data. The scores of axis 1 from the PCO analysis are shown in red, scores of axis 2 in green and scores of axis 3 in blue in such a way that the intensity of colour increases with increasing axis score. For interpretation of the images, see Supplementary Information. The breed codes are as follows: Bohus, Bohus Poll; BRE, Byelorussian Red; Busa, Busa; Cent, Central Asian breeds; DOL, Doela cattle; EFC, Eastern Finncattle; ESN, Estonian Native; ESR, Estonian Red; FARS, Faroe Islands cattle; FAY, Finnish Ayrshire; FFR, Finnish Holstein-Friesian; FNR, Fjall cattle; ICE, Icelandic cattle; IST, Istoben; JER, Jersey; KHO, Khlomogory; LaBl, Latvian Blue; LaBr, Latvian Brown; LaDR, Latvian Danish Red; LiBW, Lithuanian Black-and-White; LiG, Lithuanian Light Grey; LiR, Lithuanian Red; LiWB, Lithuanian White Backed; Near, Near Eastern-Anatolian breeds; NFC, Northern Finncattle; NRF, Norwegian Red cattle; ORA, Eastern Red Polled; PCH, Pechora type; PoBW, Polish Holstein-Friesian; Podo, Podolian cattle; RDM, Danish Red; REG, Red Gorbatov; Ring, Ringamala cattle; ROK, Swedish Red Polled; SFR, Swedish Mountain cattle; SJM, Jutland Breed; SLB, Swedish Holstein-Friesian; SMT, German Simmental; SRB, Swedish Red-and-White; STN, Troender cattle; SUK, Suksun; TEL, Telemark; UKR, Ukrainian Grey; UWH, Ukrainian Whitehead; Vane, Vane cattle; VFJ, Western Fjord cattle; VRA, Western Red Polled; WFC, Western Finncattle; Yar, Yaroslavl; Yur, Yurino.