{"id":1301,"date":"2025-07-25T20:12:10","date_gmt":"2025-07-25T20:12:10","guid":{"rendered":"https:\/\/studenthub.elsevier.com\/en\/?p=1301"},"modified":"2025-08-07T18:09:57","modified_gmt":"2025-08-07T18:09:57","slug":"faulty-gene","status":"publish","type":"post","link":"https:\/\/studenthub.elsevier.com\/en\/question-bank\/genetics\/faulty-gene\/","title":{"rendered":"A couple are referred for genetic counselling. Both parents are carriers of a faulty gene PEX1; possession of two abnormal copies of this gene leads to death in infancy. They have lost two children who both died in the first 2 years of life. They have one healthy daughter, who is 3 years of age. 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