जॉइन Examsbookउत्तर : 3. "When there is no selective pressure"
When is genetic drift a major factor in evolution?5
प्र: When is genetic drift a major factor in evolution?
- 1When there is male competitionfalse
- 2When there is artificial selectionfalse
- 3When there is no selective pressuretrue
- 4When there is disruptiveselectionfalse
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उत्तर : 3. "When there is no selective pressure"
व्याख्या :
Answer: C) When there is no selective pressure Explanation: Genetic drift or allelic drift is the change in the relative frequency in which a gene variant (allele) occurs in a population due to random sampling and chance. When is genetic drift a major factor in evolution is * When there is low gene flow. * When there is no selective pressure. * When there is a bottleneck.