Class switching A B lymphocyte can change the class of antibody being expressed by moving a new C gene segment into position after the recombined VDJ segment, deleting the intervening DNA.

• 类型转换 B淋巴细胞能通过将一个新的C基因片段移位于重组VDJ片段之后，并删除间插DNA来转换所表达抗体的类型。