Which of the Following Is an Example of Linkage Disequilibrium

question 18

Multiple Choice

Which of the following is an example of linkage disequilibrium?

• A) The actual occurrence of haplotype HLA-B7 and HLA-Cw5 is 6%; the expected occurrence based on gene frequencies is 5%.
• B) The actual occurrence of haplotype HLA-C4 and HLA-B37 is 3%; the expected occurrence based on gene frequencies is 4%.
• C) The actual occurrence of haplotype HLA-A1 and HLA-B8 is 8%; the expected occurrence based on gene frequencies is 2%.
• D) The actual occurrence of haplotype HLA-A11 and HLA-DR4 is 8%; the expected occurrence based on gene frequencies is 7%.

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