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SSC General Science & Technology Sample Paper NCERT Sample Paper-3

  • question_answer
    In recent years, DNA sequences (nucleotide sequence) of mtDNA and Y-chromosomes were considered for the study of human evolution, because

    A)  They can be studied from the samples of fossil remains

    B)  They are small and, therefore, easy to study

    C)  They are uniparental in origin and do not take part I recombination

    D)  Their structure is known in greater detail

    Correct Answer: C

    Solution :

    [c] Wilson and Sarichchoose mitochondrial DNA (mtDNA) for the study of maternal line inheritance. While Y-chromosomes were considered for the study of human evolution particularly male domain. It is possible because they are uniparental in origin and do not take part in recombination.


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