Ancestral humans had more DNA
Atlas mapping genetic deletions and duplications reveals evolutionary relationships
DNA DIVERSITY A global atlas of human genetic diversity reveals that some Oceanians (purple) carry duplicated DNA inherited from Denisovans (black). No Neandertals nor any other human group carry the duplication (indicated by open circles). The black “Archaic” circle represents a Denisovan and a Neandertal.
Peter H. Sudmant