A) sex linked recessive gene
B) sex linked dominant gene
C) autosomal dominant gene
D) autosomal recessive gene
Correct Answer: D
Solution :
Tay Sach's disease is a recessive auto somal disorder which appear after birth due to deficiency of enzyme \[\text{ }\!\!\beta\!\!\text{ }\].D-N-acetyt hexosaminidase. It results damage of brain and spinal cord and death at the age of 3-4 years.
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