Answer:Type Os are the purest, especially O negatives, the universal donors. They have the purest blood, or what Europeans used to call “royal blood”. Because of their purity, they are the most environmentally intolerant and sensitive.

Is O positive the best blood type?

Type O positive blood is given to patients more than any other blood type, which is why its considered the most needed blood type.

Where does O negative blood originate from?

Higher rates of O negative blood type are found in people from Spain, Iceland, New Zealand, and Australia. There are several blood types including A+, A-, B+, B-, AB+, AB-, O+, and O-. The blood type of a person is determined by chromosome 9. A child born to parents who are both O will also be O.