In the Bombay Phenotype, a Gene in the Recessive Condition

question 34

Multiple Choice

In the Bombay phenotype, a gene in the recessive condition blocks the expression of A and B red blood cell antigens. Thus, all A, B, and AB genotypes are expressed as the O phenotype. This is an example of ____.

• A) complete dominance
• B) polygeny
• C) incomplete dominance
• D) codominance
• E) pleiotropy

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