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AIIMS AIIMS Solved Paper-2014

  • question_answer
    Assertion Reproductive isolation brings about sympatric speciation. Reason It is the primary mode of speciation. e.g., Darwin's finches. These questions consist two statement each printed as Assertion and Reason. While answering these question, you are required to choose any one of the following four options.

    A) Both Assertion, and Reason are true and Reason is the correct explanation of Assertion

    B) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion

    C) Assertion is true, but Reason is false

    D) Both Assertion and Reason are false

    Correct Answer: B

    Solution :

                    Sympatric   speciation   occurs   when   a subpopulation that occupies the same niche develops a unique mutation that prevents it from mating     with     original     population. Geographical or allopatric speciation that develops when population is geographically isolated. It has been considered as a primary mode of speciation, e.g., Darwin's finches.


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