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InterviewSolution
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Question : ABO blood groups is a good example of co-dominance. Justify. |
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Answer» Solution :ABO blood groups are controlled by the gene I. The gene has three alleles `I^(A), I^(B)` and i. Because humans are diploid organisms, each person possesses any two of the three I gene alleles. `I^(A) " and "I^(B)` are COMPLETELY dominant overi, in other words when `I^(A)` and i are present `I^(B)` expresses. But when `I^(A) " and " I^(B)` are present TOGETHER, they both express their own TYPES of sugars : this is because of co-dominance. |
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