Blood group O
- has the AB antigens on its plasma membrane.
- is a universal donor because they can give blood to all other groups.
- does NOT have the anti-A and anti-B antibodies in the serum.
- can receive blood from either group A or B but NOT from group AB.
- is a universal recipient because they can receive blood from all other groups.
Answer: is a universal donor because they can give blood to all other groups.