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NEET Biology Principle Of Inheritance And Variation Question Bank Multiple Allelism

  • question_answer
    Even though a donor X and a recipient Y belongs to the same blood group, tranfusion of blood leads to aggulutination. This is because

    A) X is\[R{{h}^{+}}\]and Y is \[R{{h}^{-}}\]

    B) Haemoglobin of X and Y is different

    C) X is \[R{{h}^{-}}\] and Y is \[R{{h}^{-}}\]

    D) Both are \[R{{h}^{+}}\]

    Correct Answer: A

    Solution :

    Corresponding antibodies which are normally absent in human blood, develops when Rh+  blood is transfused to Rh- recipient which leads to aggulutination and even may lead to death.


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