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.