Antibodies (agglutinins) of the A and B red cell antigens (agglutinogens)
A. Are present in fetal plasma.
B. Cause haemolysis of RBCs containing the A and B antigens when added to a suspension of red cells in saline.
C. Do not normally cross the placental barrier.
D. Have a molecular weight in excess of 500 000.
E. Are monovalent

iamback032018 Asked question June 3, 2021