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प्रश्न
Person having genotype IA IB would show the blood group as AB. This is because of ______.
विकल्प
Co-dominance
Pleiotropy
Segregation
Incomplete dominance
MCQ
रिक्त स्थान भरें
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उत्तर
Person having genotype IA IB would show the blood group as AB. This is because of co-dominance.
Explanation:
The blood group AB in persons with genotype IAIB is due to co-dominance. This occurs because both IA and IB alleles are expressed equally and simultaneously, resulting in the presence of both A and B antigens on the red blood cells. Unlike incomplete dominance where blending occurs, in co-dominance both traits appear distinctly in the phenotype. Hence, IA and IB are co-dominant alleles and both are expressed in individuals with genotype IAIB as blood group AB.
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