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NEET Biology Principle Of Inheritance And Variation Question Bank Mendelism

  • question_answer
    In a cross between white-flowered parents, \[{{F}_{1}}\] progeny was uniformly purple-flowered. The \[{{F}_{2}}\] progeny showed a phenotypic ratio 9 : 7 between purple-flowered and white-flowered plants. The above result indicates that the flower colour is controlled by

    A) Two alleles

    B) One allele

    C) Three alleles

    D) Four alleles

    Correct Answer: A

    Solution :

      This is an example of complementary genes.


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