Which are characteristics of type O blood?a: Has anti-A antibodiesb: Has anti-B antibodiesc: Has surface antigen O on its erythrocytesd: Has surface antigen A on its erythrocytese: Has neither surface antigen A nor B on its erythrocytes
A. a, b, c
B. b, c, d
C. c
D. b, c, e
E. a, b, e
Answer: E
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