Which ethnic group has the highest incidence of a mutation in the PAH gene?
A)Ashkenazi Jews
B)French Canadians from the Quebec area
C)Celts from Ireland and Scotland
D)Africans from equatorial areas

Question

Quizplus · Accepted Answer

A mutation in the PAH gene is responsible for the metabolic disease phenylketonuria (PKU). Although this disease is more common among people whose ancestors came from Northern Europe, it is especially common among Celts from Ireland and Scotland. PKU is most rare among those whose ancestors came from Africa. There is no particular increase in PKU incidence among either Ashkenazi Jews or French Canadians.

Which Ethnic Group Has the Highest Incidence of a Mutation