Join Examsbook
3412 0

Q: When is genetic drift a major factor in evolution?

  • 1
    When there is male competition
  • 2
    When there is artificial selection
  • 3
    When there is no selective pressure
  • 4
    When there is disruptiveselection
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "When there is no selective pressure"
Explanation :

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.

Are you sure

  Report Error

Please Enter Message
Error Reported Successfully