If You Have Type O Positive Blood — What Your DNA Says About Your Ancestors

O positive blood type may reveal fascinating clues about ancient human ancestry, migration, natural selection, and the diseases that shaped our species. Your O+ blood type is connected to the ABO blood group system, a genetic trait that has traveled through thousands of generations and across some of the most important migration routes in human history. #BloodType #OPositive #Genetics #DNA #Ancestry #HumanEvolution #AncientDNA #HumanHistory