is a+ rare blood type
That's the + behind the A in you blood type. There are people with a-as their RH factor. You have a very common blood type-pronounced ay positive. The rarest of blood types-sometimes called theUniversal Donor - is type O-or oh negative.Dragonki is very, very confused about RH factor, by the way... Doc Bill Â· 6 years ago.ou have a very common blood type-pronounced ay positive. The rarest of blood types-sometimes called theUniversal Donor - is type O-or oh negative. Dragonki is very, very confused about RH factor, by the way... Doc Bill Â· 6 years ago.