0 votes 0 votes Which class of antibody is first made by developing $B$ cells inside bone marrow? $IgG$ $IgE$ $IgA$ $IgM$ Others gate2020 + – soujanyareddy13 asked Nov 3, 2020 • edited Dec 13, 2020 by soujanyareddy13 soujanyareddy13 2.7k points answer comment Share Follow See all 0 reply Please log in or register to add a comment.