WB JEE Medical WB JEE Medical Solved Paper-2013

  • question_answer
    If two persons with AB blood group marry and have sufficiently large number of children, these children could be classified as A blood group : AB blood group : Ti blood group in 1 : 2 : 1 ratio. Modem technique of protein electrophoresis reveals presence of both A5 and TB type proteins in AK blood group .individuals. This is an example of

    A)  codominance

    B)  incomplete dominance

    C)  partial dominance

    D)  complete dominance

    Correct Answer: A

    Solution :

     In codominance both alieles of a pair express themselves fully in \[{{F}_{1}}\]hybrid. It is contrary to the situation seen in incomplete dominance, where traits express themselves only partially. This is not the example of partial dominance or complete dominance \[AB\xrightarrow{{}}\underset{Genotype}{\mathop{{{|}^{A}}{{|}^{B}}}}\,\xrightarrow{{}}Antigen\,A\] \[+\,Antigen\,B\xrightarrow{{}}Codo\min ance\]


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