Assertion: Phenylketonuria is a recessive hereditary disease caused by bodys failure to oxidize an amino acid phenylalanine to tyrosine, because of defective enzyme. Reason: It results the presence of phenylalanine acid in urine.

Question

Assertion: Phenylketonuria is a recessive hereditary disease caused by bodys failure to oxidize an amino acid phenylalanine to tyrosine, because of defective enzyme. Reason: It results the presence of phenylalanine acid in urine. (A) If both Assertion and Reason are true and Reason is the correct explanation of the Assertion. (B) If both Assertion and Reason are true but the Reason is not the correct explanations of Assertion. (C) If Assertion is true, but Reason is false. (D) If both Assertion and Reason are false.

Tardigrade Admin · Accepted Answer

Phenylketonuria is due to deficiency of liver enzyme. Phenylalanine hydroxylase which converts phenylalanine into tryosine. It occurs in persons who are homozygous recessive. It results with a high level of phenylalanine in blood, tissue fluids and urine.

Q. Assertion: Phenylketonuria is a recessive hereditary disease caused by bodys failure to oxidize an amino acid phenylalanine to tyrosine, because of defective enzyme. Reason: It results the presence of phenylalanine acid in urine.

If both Assertion and Reason are true and Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.

If Assertion is true, but Reason is false.

If both Assertion and Reason are false.

Phenylketonuria is due to deficiency of liver enzyme. Phenylalanine hydroxylase which converts phenylalanine into tryosine. It occurs in persons who are homozygous recessive. It results with a high level of phenylalanine in blood, tissue fluids and urine.