Multiple Choice
Baby Shanna has been diagnosed with Tay-Sachs disease.However,neither of her parents has shown symptoms of this disease.What can we conclude from this information?
A) Shanna is heterozygous for the Tay-Sachs gene.
B) Shanna's parents are homozygous for the Tay-Sachs gene.
C) Shanna is homozygous for the Tay-Sachs gene.
D) One of Shanna's parents is a carrier of Tay-Sachs,the other is not.
Correct Answer:

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Correct Answer:
Verified
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