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NEET Biology Principle Of Inheritance And Variation Question Bank Mendelism

  • question_answer
    If enough crosses are made between male flies of the genotype 'Aa' and the female flies of the genotype 'aa' to produce about 1000 offsprings. Which one of the following is the most likely distribution of genotypes in the offsprings

    A) 250 Aa : 750 aa

    B) 750 Aa : 250 aa

    C) 243 AA : 517 Aa : 240 aa

    D) 481 Aa : 519 aa

    Correct Answer: D

    Solution :

      Crossing of Aa with aa is a test cross which produces the ratio of 1 Aa : 1 aa.


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