Why Are Red Blood Cell Transfusions Not Rejected in the Same

Why are red blood cell transfusions not rejected in the same way that transplanted tissues are?

A) MHC Class II molecules are unstable on red blood cells once they are removed from the body.
B) Mature red blood cells do not express MHC Class II.
C) Mature red blood cells do not express MHC Class I.
D) Refrigerator storage of red blood cells inactivates both MHC Class II and I.
E) MHC Class I molecules are unstable on red blood cells once they are removed from the body.