Chromosome for ABO gene is?: (A) 9q, (B) 10p, (C) 11q, (D) 12p
Answer is A. Ans is 'a' i.e. 9q * The ABO gene (Histo-blood group ABO system transferase enzyme) resides on chromosome 9 at the band 9q34.2.Also know* Gene for Rh antigen is located on Chromosome-1