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poizon [28]
3 years ago
15

Eric and Janelle are carriers of the recessive allele causing Tay-Sachs disease, which is lethal in early childhood. If they hav

e a healthy child, what is the probability that this healthy child would NOT be a carrier of Tay-Sachs disease?
Health
1 answer:
Pie3 years ago
4 0

Answer: 75% probability that the child will not be a carrier.

Explanation: The Tay-Sachs disease is caused by mutation of the HEXA gene.

Tay–Sachs disease is an autosomal recessive genetic disorder, meaning that when both parents are carriers, there is a 25% risk of giving birth to an affected child with each pregnancy. A mutated copy of the gene is passed from each parent to the affected child. The causes are Genetic.

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