MHC class III genes encode:: (A) Complement component C3, (B) Tumor necrosis factor, (C) Interleukin 2, (D) Beta 2 microglobulin
Answer is B. HLA class III contains genes for Complement components C2 and C4Q of classical pathway (Not C3Q) Properdin factor BQ of alternate pathway Tumor necrosis factorQ: Alpha and Beta Heat shock protein 70 Q Enzyme tyrosine hydroxylase Genes for MHC (also known as HLA) are located on sho arm of chromosome 6.