s the… Show more Which of the following statements about IgG is false? a. They allow complement fixation. b. It’s the predominant serum isotype. c. It confers protection to the fetus. d. They are involved in agglutination reactions. Which molecule allows the discrimination of self from non self? a. The PCR. b. The TCR. c. MHCI. d. The C1 protein • Show less