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Question
When a population is small, there is a greater chance of ______.
Options
mutations occurring
genetic drift
gene flow
natural selection
MCQ
Fill in the Blanks
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Solution
When a population is small, there is a greater chance of genetic drift.
Explanation:
This is because genetic drift refers to random changes in gene frequencies that are more pronounced in small or isolated populations. Chance events can lead to the loss or increase of alleles by chance alone, reducing genetic variation within that population. Genetic drift can lead to a decrease in heterozygosity and increase the number of homozygotes.
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