Only 5% of Kell-Negative Individuals Will Develop Antibodies to Kell

question 27

Multiple Choice

Only 5% of Kell-negative individuals will develop antibodies to Kell if exposed to the Kell antigen, whereas 50% to 70% of Rh(D) -negative individuals would produce antibodies to D upon exposure. What is the reason for this?

• A) Difference in ABO type
• B) Difference in immunogenicity
• C) Phenotype
• D) All of the above

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