Do Both Parents Have To Be Carrier For Tay-Sachs?
Do Both Parents Have To Be Carrier For Tay-Sachs? Do both parents have to be carrier for Tay-Sachs? Both parents must be TS carriers to be at risk for a baby with TS. If one parent has a negative (normal) test result, the chance that a baby will have Tay-Sachs disease is very small. Testing