Both parents are heterozygous for the autosomal recessive Tay-Sachs disease.If three children in a row were born with Tay-Sachs disease,what are the chances that the next child will have Tay-Sachs disease?

Question

Quizplus · Accepted Answer

Two heterozygous parents have a 25% chance of having an affected offspring.This is the chance for each and every conception.

Both Parents Are Heterozygous for the Autosomal Recessive Tay-Sachs Disease