APFIVE Codominance and AB Blood Type
A researcher claims that in the inheritance of human ABO blood groups, one allele is completely dominant over the other in individuals with type AB blood. Which of the following statements best explains the flaw in this claim?
A
In codominance, both alleles are equally expressed, as seen in the AB blood type.
B
The B allele is recessive to A, incorrectly classifying AB blood type as a simple dominant trait.
C
AB blood type results from incomplete dominance, where one allele blends with the other.
D
The A allele is dominant over B, making AB blood type an example of the Law of Dominance.
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