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DUMET Medical DUMET Medical Solved Paper-2002

  • question_answer
    In a certain plant red colour flower (R) is dominant over white colour flower (r). When heterozygous Rr plant is crossed 64 offsprings are obtained. The number of white offsprings are:

    A)  64            

    B)  0

    C)  16            

    D)  32

    Correct Answer: C

    Solution :

    This may be an example of complete dominance or incomplete dominance (in both the case the white flowered ratio remains same). In complete dominance  when Rr (heterozygous) are selfed then the red and white flower are obtained in 3 : 1 ratio whereas in incomplete dominance the ratio of red, pink and white is 1 : 2 : 1. i. e., the white flowers are same in number (16 here).


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