MHC class - III genes encode: (A) Complement component C3, (B) Tumor necrosis factor, (C) Interleukin-2, (D) Beta-2 microglobulin
Answer is B. Structure - Major histocompatibility complex, (HLA) complex MHC class III genes encode Complement components C2 and C4 Properdin factor B of alternate pathway TNF - alpha and beta Heat shock proteins Also known as "complement region"