You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which is false about Alkaptonuria? and explain in detail?
It is a metabolic defect due to homogentisate oxidase deficiency Blackening of urine is seen on standing But genitourinary system is not involvedRef: Textbook of biochemistry for medical students, seventh edition, page no: 237