SSC Ecology And Environment Sample Paper NCERT Sample Paper-6

  • question_answer
    Genetic drift operates in only populations

    A)  Island  

    B)  smaller

    C)  Larger 

    D)  Mendeliari

    Correct Answer: B

    Solution :

    [b] Genetic drift (also known as allelic drift or the Sewall Wright effect after biologist Sewall Wright) is the change in the frequency of a gene variant (allele) in a population due to random sampling of organisms.


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