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What is Which of the following is not a hereditary disease- and explain in detail?
Ans. is 'b' i.e., Cretinism Cretinismo Cretinism is a condition of severely stunted physical and mental growth due to untreated congenital deficiency of thyroid hormones (congenital hypothyroidism) usually due to maternal hypothyroidism. Thus cretinism is a non hereditary condition.