RB gene is located on: (A) 13q14, (B) 14g13, (C) 13p14, (D) 14p13
Answer is A. Ans. is 'a' 13q14Retinoblastoma is a prime example of a tumour which is associated with loss of heterozygosity.The mutations required to produce retinoblastomas involve the RB genelocated on chromosome 13 q14.