If Your Blood Type Is O Positive — DNA Revealed Where You Really Come From

Are you O positive? Comment your country before watching. Your O positive blood type may be hiding a story that began thousands of years before borders existed. Something happened to a small human population during the Ice Age. Its genetic traces can still be found today—in O blood type, ancient DNA and one of the strangest patterns in human population history. But the letter O is hiding another secret. One that can even fool a normal blood test. What does the ABO blood group system, the Rh factor and the lost world of Beringia reveal about O positive blood? Watch until the end. The final discovery changes what “O positive” really means. #OPositiveBloodType #OBloodType #BloodTypeDNA Also check out:    • Scientists Used Ancient DNA to Decode Huma...