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Question

When the population is small, there is a greater chance of

A
Mutations
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B
Natural selection
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C
Genetic drift
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D
Gene flow
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Solution

The correct option is C Genetic drift
Genetic drift refers to change in allele frequency in a small population which can also lead to complete disappearance of genetic variants. Mutations are sudden and spontaneous changes in DNA which can occur in large populations. Natural selection is the process by which organisms adapt themselves to the changing environmental conditions. In a gene flow, alleles are transferred from one population to another.
Thus, the correct answer is option C.

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