24.3 Immunoglobulin genes are assembled from their parts in lymphocytes C genes code for the constant regions of immunoglobulin protein chains V gene is sequence coding for the major part of the variable(n-terminal) region of an immunoglobulin chain 消当C genes code for the constant regions of immunoglobulin protein chains. V gene is sequence coding for the major part of the variable (N-terminal) region of an immunoglobulin chain. 24.3 Immunoglobulin genes are assembled from their parts in lymphocytes