A member asked:

Can a child get tay-sachs disease from parents that don't have the disease?

A doctor has provided 1 answer

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

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