Gene for major histocompatibility complex is located on which chromosome?: (A) Chromosome 10, (B) Chromosome 6, (C) X chromosome, (D) Chromosome 13
Answer is B. Major histocompatibility complex also called the human leucocyte antigen (HLA) is a 4 megabase region on chromosome 6. The region is densely packed with genes.
The gene encodes two major proteins or antigens i.e., MHC I and MHC