Why Is Tay-Sachs Allele Frequency Significantly Higher Among Ashkenazi Jews

question 83

Multiple Choice

Why is Tay-Sachs allele frequency significantly higher among Ashkenazi Jews?

• A) belief system (religion) prevents use of any medications and treatment
• B) extensive involvement in trading networks in diseased areas
• C) historical crowding in urban areas in western Europe and exposure to tuberculosis
• D) historical crowding in urban ghettos over centuries and high exposure to tuberculosis

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