Neanderthals refers to archaic beings that resemble human beings but they were shorter, hairy body, long noses and angled cheekbones. Neanderthals are believed to have met with Europeans when they were on a movement to secure a place in Europe and in the process they interbred and that's why the gene is still being transmitted to the next generations. Europeans especially the British and East Asians like Japanese have the highest percentage of Neanderthals DNA. The process of interbreeding of Europeans and Neanderthals, it led to the addition of the secondary mix of Neanderthals DNA into their genome beyond primary mix in their ancestors. Africans are believed to have 0% of this gene in their DNA.