QUESTION: Gaucher disease is caused by a chronic enzyme deficiency. Greg has a sister afflicted with the disease. His parents, grandparents, and his other sister and two brothers are not affected. Discussions with relatives in his wife’s family reveal that her paternal grandmother has a brother afflicted by this disease. If the frequency of the disease allele is 0.16 in this population, what is the chance that Greg’s unaffected sister has an affected child?

Principles Of Pharmacology Med Assist
6th Edition
ISBN:9781337512442
Author:RICE
Publisher:RICE
Chapter1: Numerals And Fractions
Section: Chapter Questions
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Gaucher disease is caused by a chronic enzyme deficiency. Greg has a sister afflicted with the disease. His parents, grandparents, and his other sister and two brothers are not affected. Discussions with relatives in his wife’s family reveal that her paternal grandmother has a brother afflicted by this disease.

If the frequency of the disease allele is 0.16 in this population, what is the chance that Greg’s unaffected sister has an affected child?

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