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NEET AIPMT SOLVED PAPER 2003

  • question_answer
                    In a random mating population in equilibrium, which of die following brings about a change in gene frequency in non-directional manner?                                                                                                           

    A)                 Selection

    B)                 Migration              

    C)                 Mutations                             

    D)                 Random drift        

    Correct Answer: C

    Solution :

                    Given certain conditions, the allele frequencies remain constant from generation to generation. Under these conditions, a population would be in equilibrium and there will be no evolutionary change. However, many evolutionary changes usually occur following the appearance of new alleles and source of this is mutation.


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