12th Class Biology Sample Paper Practice Paper - 1

  • question_answer
    Direction: Each of the question has four options out of which only one is correct. Select the correct option as your answer.
    Two genes W and 'B' are linked. In a dihybrid cross involving these two genes, the F1 heterozygote is crossed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generation?

    A) 1:1:1:1

    B) 9 : 3 : 3:1

    C) 3 :1                    

    D) 1:1

    Correct Answer: A

    Solution :

                1:1:1:1


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