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NEET2013ZoologyEvolutionActual

Random unidirectional change in allele frequencies that occurs by chance in all populations and especially in small populations is known as:

Options

  1. AMigration
  2. BNatural Selection
  3. CGenetic drift
  4. DMutation.

Correct answer

C. Genetic drift

Step-by-step solution

Genetic drift is defined as the change in gene frequency that occurs by chance in a small population. It provides diversity to a population without any adaptations.

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