Blood Types

Blood group Definition & Meaning - Merriam-Webster blood group Blood types, he claimed, “appear to have arrived at critical junctures of human development ” According to D'Adamo, type O blood arose in our blood group Blood group AB refers to the existence of both antigens, while type O has neither A nor B antigens Which types are most common and most rare? Generally

blood link There are four main blood types: A, B, AB and O Blood bank specialists determine your blood type based on whether you have antigen A or B on your red blood