Figure 2: Archaic and modern humans' mtDNA diversity.

From: Deeply divergent archaic mitochondrial genome provides lower time boundary for African gene flow into Neanderthals

Figure 2

The pairwise nucleotide distance over its frequency (in logarithmic scale) is measured among 311 worldwide modern human, 17 Neanderthal, 3 Denisovan and 18 Neanderthal (including HST) mtDNAs. Points on the x axis represent one sequence pair comparison.