Tay - Sachs disease is a fatal and genetic disorder. The disease “leads to gradual deterioration of the central nervous system. ” A child inherits the genetic abnormality if both parents are carriers of the TS gene. The gene mutation that is inherited with TSD is Hex- A. Since there is a lack of enzyme Hex -A a substance called GM2 begins to accumulate. Babies lack this important enzyme which later leads to progressive destruction of the brain’s nerves cells as their lives progress. (McDowell 110) The most common ethnic group that inherits this disease are people of eastern Europe Jewish descent. About “one in every 360,000 children born worldwide has Tay-Sachs disease (NHS).” Therefore, this disease is very rare. The condition is considered
