Which of the following ethnic groups has the lowest incidence of lactose intolerance?

Name: Which of the following ethnic groups has the lowest incidence of lactose intolerance?
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Question

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Caucasians have a lower incidence of lactose intolerance compared to other ethnic groups. Studies have shown that up to 90% of Asian Americans, 80% of African Americans, and 50% of Hispanic Americans have some degree of lactose intolerance, while only about 15% of Caucasians have lactose intolerance.

Which of the Following Ethnic Groups Has the Lowest Incidence