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Question

Alkaptonurics excrete excess of

A
Urine
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B
Albumen
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C
Malonylacetic acid
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D
Homogentisic acid
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Solution

The correct option is D Homogentisic acid
Alkaptonurics or alkaptonuria (AKU) is a disorder of autosomal recessive inheritance. It is a rare disorder. It is caused by a mutation in a homogentisate 1,2-dioxygenase (HGD) gene that results in the accumulation of homogentisic acid (HGA). The patients with alkaptonuria pass dark urine which upon standing turns black in colour.
So, the correct answer is 'Homogenistisic acid'.

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