Abnormality involving which chromosome is seen in Hunter disease?: (A) X chromosome, (B) Y chromosome, (C) Chromosome 21, (D) Chromosome 22
Answer is A. a. X chromosome(Ref: Ghai 9/e p 640 9/e p 640)All types of mucopolysaccharidoses have autosomal recessive inheritance except Hunter disease, which is X linked recessive.