Figure 4From: Human maternal heritage in Andalusia (Spain): its composition reveals high internal complexity and distinctive influences of mtDNA haplogroups U6 and L in the western and eastern side of regionSpecific median-joining networks for lineages U6 (A) and L (B). Control region sequences (HVS-I) showing relationships between Iberians and North African population have been used. Superscript numbers in legend refers to Additional file 3 population codes.Back to article page