Figure 2From: The Carpathian range represents a weak genetic barrier in South-East EuropePrincipal Component Analysis (PCA) (57 % of total variance in two First Principal Components). a) Distribution of the populations based on the frequencies of the mitochondrial haplogroups of North and South of Romania (in red), Europe (in green) and Near East (in blue). b) Correlation of the mtDNA haplogroups with the main axes of the PCA.Back to article page