VDJ--> W- C-- c-->C In heavy chains,the V,D and J segments encode the variable domain while the C segment encodes the constant domain. In light chains,the V and J segments encode the variable domain while the C segment encodes the constant domain.In heavy chains, the V, D and J segments encode the variable domain while the C segment encodes the constant domain. In light chains, the V and J segments encode the variable domain while the C segment encodes the constant domain