Genetic drift refers to the random changes in the frequency of alleles in a population due to chance events, rather than natural selection. This is particularly significant in small populations, where random events can have a larger impact on gene frequencies. Genetic drift can lead to a loss of genetic variation in the population over time. Step 1: Understanding the terms.
- Genetic Flow refers to the movement of genes between populations through migration.
- Mutation is the change in the DNA sequence that can introduce new genetic variation.
- Genetic Drift is the random change in gene frequencies due to chance.
- Recombination refers to the mixing of genetic material during meiosis to produce new genetic combinations. Final Answer:
\[
\boxed{\text{The correct answer is (3) Genetic Drift.}}
\]