Multiple choice Choose the incorrect pair. Diabetesis-Hexokinase Albinism-Tyrosinase Tyrosinosis-Tyrosine hydroxylase PKU-Phenylalanine hydroxylase Reveal answer Fill a bubble to check yourself C Correct answer Explanation Deficiency or absence of both fumarylacetoacetate hydroxylase and melanylacetoacetate isomerase enzymes causes Tyrosinosis.