Question:

What is the probability that two parents who are heterozygous for the disorder will have a child with Tay-Sachs, which is an autosomal recessive disorder?

Answer:

Two unaffected people who each carry one copy of the mutated gene, (heterozygous), have a 25% chance with each pregnancy of having a child affected by the disorder.


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Tay-Sachs
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autosomal recessive disorder
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