In Class Switching During the Secondary Antibody Response, the Most

Question

In class switching during the secondary antibody response, the most common antibody switch is from
A) IgA to IgD.
B) IgD to IgE.
C) IgM to IgG.
D) None of the answers are correct.

Accepted Answer

During class switching in the secondary antibody response, the most common switch is from IgM, which is produced during the primary response, to IgG. This is because IgG has a higher affinity for antigens and provides better protection against pathogens. Switching from IgA to IgD or IgD to IgE is less common and occurs in specific immune responses. Therefore, option C is the best answer.