system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
An autopsy was performed on a 2-year-old male child. The clinical report stated that the child's parents were first cousins, and that he had deteriorated physically and mentally over the past year, becoming deaf, unable to eat, and paralyzed. A brain biopsy demonstrated the accumulation of GM2-gangliosides in the neurons. Which of the following enzymes was missing from this child?
assistant
Hexosaminidase A