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GATE2014-35

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In a relatively large but finite and closed population of sexually reproducing diploid organisms, the frequency of homozygous genotype PP changes from 0.40 to 0.50 and that of pp changes om 0.40 to 0.41 in a span of 10 generations. Which of the following is the most likely cause for the above change in frequency of the PP genotype?

  1. Non-random mating
  2. Random genetic drift
  3. Selection
  4. Combination of non-random mating and random genetic drift
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