Biology
Grade-9
Easy

Question

Any random alteration in allele frequency occurring in the natural population by pure chance is called __________.

  1. Gene flow
  2. Genetic drift
  3. Mutation
  4. Chromosomal aberration

hintHint:

Gene Drift.

The correct answer is: Genetic drift


    • Any random alteration in allele frequency occurring in the natural population by pure chance is called Gene Drift.
    • It may lead to disappearance of gene variants completely or reduction of genetic variation.

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