Which of the following disease is transmitted as an X-Iinked inheritance?: (A) Phenylketonuria, (B) Alpo's syndrome, (C) Myotonic dystrophy, (D) Spinal muscular atrophy
Answer is B. Robbins and Cotran pathologic basis of disease South Asia edition. *alpory's syndrome is an d linked dominant disorder having mutation in alpha 5 chain of type 4 collagen located on x chromosome. *phenylketonuria -is an autosomal recessive disorder . *myotonic dystrophy - autosomal dominant. *spinal cord atrophy-autosomal recessive.