Figure 2From: Migration of Chadic speaking pastoralists within Africa based on population structure of Chad Basin and phylogeography of mitochondrial L3f haplogroupTree of 45 mtDNA sequences belonging to haplogroup L3f. The tree is rooted using the revised Cambridge reference sequence (rCRS) as an outgroup. Mutations are shown on the branches; they are transitions unless a base is explicitly indicated; recurrent mutations are underlined. The geographic origin is shown on the top of the figure; Accession Number and references for published sequences are in the Additional file 1.Back to article page