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There was also a second physician named Bernard Sachs who recognized the familial nature of the disorder and also observed numerous cases. He witnessed that Tay Sachs disease was most common in the European, Jewish origin. Â· When was Tay Sachs disease discovered?Tay Sachs disease was discovered in the year of 1880.
The classical form of Tay-Sachs disease occurs during infancy; an adult form (late-onset Tay-Sachs disease) may occur anytime from adolescence to the mid 30's. Tay-Sachs disease is inherited as an autosomal recessive trait. The disorder results from changes (mutations) of a gene known as the HEXA gene, which regulates production of the hexosaminidase A enzyme. The HEXA gene has been mapped to the long arm (q) of chromosome 15 (15q23-q24).