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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 Y chromosome was identified as a sex-determining chromosome by Nettie Stevens at Bryn Mawr College in 1905 during a study of the mealworm Tenebrio molitor. Edmund Beecher Wilson independently discovered the same mechanisms the same year.