Tyrosinosis most common cause is:: (A) Fumarylacetoacetate hydrolase, (B) Tyrosine transaminase, (C) Parahydroxy phenyl pyruvate hydroxylase, (D) Homogentisate oxidase
Answer is A. Ans. A. Fumaryl Acetoacetate HydrolaseTyrosinosis or Tyrosinemia most common type is Type I Tyrosinemia. The enzyme defect is Fumaryl Acetoacetate Hydrolase deficiency. Incidence is 1 in 1846 live birth. Type II and III Tyrosinemia is rare types.