neadertals

A simple unified explanation of several genetic issues on today's human population and on archaic humans 

Per H. EnfloGustavo A. Muñoz-FernándezJuan B. Seoane-Sepúlveda

https://arxiv.org/abs/1705.08217    

1. The genetic variation in today’s human population is surprisingly small. Most of the genetic material in today’s human population has African origin.