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Which of the following is NOT a requirement for natural selection to occur?

Option: 1

Genetic variation within a population


Option: 2

Environmental pressures that favor certain traits over others


Option: 3

Random mutations in the genetic material of individuals


Option: 4

Selective pressures that favor certain traits over others


Answers (1)

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While genetic variation within a population, environmental pressures that favor certain traits, and selective pressures that favor certain traits are all requirements for natural selection to occur, random mutations in the genetic material of individuals are not a requirement. Mutations can introduce new variations into a population, but natural selection operates on the existing genetic variation.

Random mutations in the genetic material of individuals can introduce new variations into a population, which can then be acted upon by natural selection. However, random mutations are not a requirement for natural selection to occur.

Option 3 is the correct answer. 

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jitender.kumar

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