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Explain the role of genetic drift in evolution



Genetic drift:


  • Accidents in small populations can change the frequency of some genes in a population.
  • This is known as Genetic Drift .
  • In this case, the red and blue beetles were equally visible to the crows.
  • But when the elephant stepped on the population of beetles, beetles of one characteristic accidentally survived .
  • This is not a survival advantage .
  • But, this can result in the emergence of new species .

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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Economics, Accounting and English at Teachoo