J & K CET Medical J & K - CET Medical Solved Paper-2008

  • question_answer
    Inheritance of ABO blood grouping is an example of

    A)  dominance                       

    B)  codominance

    C)  incomplete dominance

    D)  All of the above

    Correct Answer: B

    Solution :

                    In codominance, both the genes of an allelomorphic pair express themselves equally in \[{{F}_{1}}\] hybrids. 1:2:1 ratio both genotypically as well as phenotypically in \[{{F}_{2}}\] generation, eg, codominance of blood alleles in man, in which both the alleles, produce their effect independently (eg, \[{{\text{I}}^{\text{A}}}\]and \[{{\text{I}}^{\text{B}}}\]).


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