In Humans, Blood Types a and B Are Codominant to Each

question 38

Multiple Choice

In humans, blood types A and B are codominant to each other and each is dominant to O. What blood types are possible among the offspring of a couple of blood types AB and A?

• A) A, B, AB, and O
• B) A, B, and AB only
• C) A and B only
• D) A, B, and O only
• E) A and AB only

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