NEET Sample Paper NEET Sample Test Paper-75

  • question_answer
    Match the following epistatic interactions to their ratios.
    Column I Column II
    A. Dominant epistasis 1. \[9:3:4\]
    B. Recessive epistasis 2. \[15:1\]
    C. Duplicate recessive genes 3. \[12:3:1\]
    D. Duplicate dominant genes 4. \[13:3\]
    5. \[12:3\]
    Codes 

    A)  A-1, B-2, C-3, D-4        

    B)  A-5, B-2, C-1, D-3

    C)  A-3, B-1, C-2, D-4        

    D)  A-3, B-1, C-5, D-2

    Correct Answer: D

    Solution :

    \[13:3\] is dominant and recessive interaction. Only two \[{{F}_{2}}\] phenotypes result when a dominant genotype at one locus and recessive at the other produces same phenotypic effect.


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