Question: what type of genetic disorder is tay sachs
Answer: Specialty Medical genetics Symptoms Initially : Decreased ability to turn over , sit , or crawl Later : Seizures , hearing loss , inability to move Usual onset Three to six months of age Duration Long term Types Infantile , juvenile , late - onset Causes Genetic ( autosomal recessive ) Diagnostic method Testing blood hexosaminidase A levels , genetic testing Differential diagnosis Sandhoff disease , Leigh syndrome , neuronal ceroid lipofuscinoses Treatment Supportive care , psychosocial support Prognosis Death often occurs in early childhood Frequency Rare in the general population