Yes, O- persons should only receive blood from O- donors. This is because people with Type O blood have antibodies circulating against both A and B red blood cell antigens and Rh- people have...
If a person is blood type A, they can be genotype AA, or AO. If a person is blood type O, they have to be genotype OO.If a person who is A mates with a person who is O, they could have a child who is...