12th Class Biology Principle Of Inheritance And Variation Question Bank Assertion and Reason - Principles of Inheritance and Variation

  • question_answer
    Direction: Each of these questions contains two statements
    Assertion [A] and Reason [R]. Each of these questions also has four alternative choices, any one of which is the correct answer. You have to select one of the codes [a], [b], [c] and [d] given below.
    Assertion [A] Morgan carried out several dihybrid crosses in Drosophila to study genes that were sex-linked.
    Reason [R] Morgan hybridised yellow bodies, white eyed males to brown bodied, red-eyed females and intercrossed their F1 progeny.
     

    A) Both A and R are true and R is the correct explanation of A

    B) Both A and R are true, but R is not the correct explanation of A

    C) A is true, but R is false

    D) A is false, but R is true

    Correct Answer: C

    Solution :

    [c] A is true, but R is false. A can be corrected as Morgan hybridised yellow bodies, white eyed females to brown bodied, red eyed males and intercrossed  their \[{{F}_{1}}\] progeny.


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