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What is the type of genetic inheritance that determines the ABO blood group system? What are the relations of dominance among the involved alleles? |
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Answer» The inheritance of the ABO blood system is a multiple alleles inheritance. There are three involved alleles, IA, IB and i that combine in pairs to form the genotypes. Concerning dominance, the allele i is recessive in relation to the alleles IA and IB. Between IA and IB however lack of dominance is established with the heterozygous (IAIB) manifesting distinct phenotype. |
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