Biology · May / June 2025 · Paper 21 · Question 7
5090
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The inheritance of ABO blood groups in humans is an example of codominance. The blood groups are controlled by three different alleles, IA, IB, and IO. A O
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7(a)(i)[1]
7(a)(ii)[1]
7(b)(i)[2]
7(b)(ii)[1]
7(b)(iii)[1]
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