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SSC Ecology And Environment Sample Paper NCERT Sample Paper-4

  • question_answer
    The concept of genetic drift was introduced by

    A)  Hardy Weinberg

    B)  Sewall Wright

    C)  GG. Simpson   

    D)  Julian Huxley

    Correct Answer: B

    Solution :

    [b] Genetic drift (also known as allelic drift or the Sewall Wright effect) is the change in the frequency of a gene variant (allele) in a population due to random sampling of organisms. The alleles in the offspring are a sample of those in the parents, and chance has a role in determining whether a given individual survives and reproduces.


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