That's how it happns: Tay-sachs is a genetic disorder that requires two defective genes for expression.During conception, one gene is passed from two unaffected carrier parents & baby develops the disease from having two faulty genes in each cell.Affected patients do not survive to pass it on.
Answered 10/11/2012
5.6k views
7 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
4 doctors weighed in across 2 answers
5 doctors weighed in across 3 answers
7 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question