SSC Ecology And Environment Sample Paper NCERT Sample Paper-3

  • question_answer
    In which of the following population, genetic drift operates

    A)  Island  

    B)  smaller

    C)  Larger 

    D)  continental

    Correct Answer: B

    Solution :

    [b] Genetic drift is the phenomenon of change in gene frequency in small isolated population. It occurs due to chance rather than natural selection. It was discovered by Sewall Wright in 1931.

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