Question

The blood group contains only antibodies
(a) O blood group
(b) AB Blood group
(A) A blood group​

Answer 1

Answer:

O BLOOD GROUP

Explanation:

Blood group A contains antibody against blood group B in serum and vice-versa, while blood group O contains no A/B antigen but both their antibodies in serum.

Answer 2

Answer:

A blood group contain only antibodies