The first immunoglobulin isotype produced during the course of a primary immune response contains which of the following heavy chains?

The first immunoglobulin isotype produced during the course of a primary immune response contains which of the following heavy chains?

The first immunoglobulin isotype produced during the course of a primary immune response contains which of the following heavy chains?










A. ?
B. ?
C. d
D. ยต
E. None of the above













Answer: D