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Paleontological Evidence

Choose the co...

Question

Choose the correct answers from the alternatives given.
Which of the following is not a means by which genetic variation can occur within an individual organism?

A

Genetic drift

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B

Recombination

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C

Mutation

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D

Crossing-over

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Solution

The correct option is A Genetic drift
Genetic drift occurs within a population and requires sexual reproduction. Whereas recombination, mutation, crossing over occur within an individual.
So correct answer is A, genetic drift.

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