What does Tay-Sachs disease cause? A. the inability to breakdown fatty tissues around the brain and effects the brain's abilities B. the wrong shape of hemoglobin and therefore less oxygen in the body C. a thick layer of mucus in the respiratory tract and struggle to digest food D. a decreased mental ability and uncontrollable movements​
It's caused by the absence of an enzyme that helps break down fatty substances. These fatty substances, called gangliosides, build up to toxic levels in the brain and spinal cord and affect the function of the nerve cells
