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Evolution — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution1 Mark
MCQ
The gene frequency of a population changes ____.
  • A
    In one particular environment.
  • B
    When the population decreases.
  • C
    When the population live in different conditions.
  • D
    When population reproduces asexually.
✓

Answer

  1. When the population live in different conditions.

Explanation:

Genetic variation is the naturally occurring genetic differences among individuals of the same species. This variation permits flexibility and survival of a population in the face of changing environmental circumstances.

Factors affecting the gene frequency of population:

Physical distribution of individuals affects a population.

When a population interbreeds.

Random fluctuations in the numbers of alleles in a population.

Migration is the movement from one location to another.

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