Phenylketonuria (1) / Albinism (2) is characterized by white skin due to a defect in the enzymetyrosinase, which leads to a block in the pathway needed to synthesize adrenaline (3) / melanin (4).Animals with this condition have an increased risk of skin cancer (5) / mental illness (6). The geneticdisease albinism (7) / phenylketonuria (8) is caused by a defect in the enzyme phenylalanine hydroxylase,which leads to the accumulation of tyrosine (9) / phenylalanine (10) derivatives that are toxic metabolitesChoose the best underline word or phrase that correctly completes the sentence and record the numbers

Albinism is characterized by white skin due to a defect in the enzymetyrosinase, which leads to a block in the pathway needed to sythesize melanin. Animals with this condition have an increased risk of skin cancer. The geneticdisease phenylketonuria is caused by a defect in the enzyme phenylalanine hydroxylase,which leads to the accumulation of phenylalanine derivatives that are toxic metabolites.