How many possible ABO-D blood types are there? B. What is the most abundant blood type in the overall population? C. Least common? D. A person with type o-blood has which surface antigens on their RBCs? E. Which blood type does a person have if their RBCs have surface antigens to A,B & D? F. Which blood type does a person have if their RBCs only have D surface antigens? G. Which type of blood contains plasma antibodies (.e. agglutins) for both A and B surface antigens and thus, will cross react with them?