Ancient Aliens: Rh-Negative Blood

There are some who believe that people with Rh-negative blood may have evolved from an extraterrestrial species, in this clip from Season 11, Episode 10. #AncientAliens Subscribe for more from Ancient Aliens and other great shows from The UnXplained Zone: From mysterious and supernatural occurrences, to extraordinary stories and investigations of the unknown, The UnXplained Zone is your portal to the paranormal. Follow the evidence, uncover the cover-ups, and discover what lies behind mankind’s greatest mysteries and the world’s strangest phenomenons. Welcome to the UnXplained Zone.