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NEET Biology Principle Of Inheritance And Variation Question Bank Mendelism

  • question_answer
    From a cross Aa BB × aa BB, following genotypic ratio will be obtained in \[{{F}_{1}}\] generation [CBSE PMT 1990]

    A) 1 Aa BB : 1 aa BB

    B) 1 Aa BB : 3 aa BB

    C) 3 Aa BB : 1 aa BB

    D) All Aa BB : No aa BB

    Correct Answer: A

    Solution :

      AaBB × aaBB Gametes for F1 = AB, aB and aB, aB After crossing  = AaBB, aaBB Ratio = 1 : 1


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