Most humans alive today can trace a very small percentage of their DNA to Neanderthals. However, Neanderthal DNA is slightly more abundant in the genomes of certain populations.
Why do some groups of people today have more Neanderthal DNA than others? A new study offers answers localnews8.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from localnews8.com Daily Mail and Mail on Sunday newspapers.