Quiz
Choose the best answer.
1. The process of change in the frequency of an allele (gene variant) in a population over time.
2. What does genetic drift change over time?
3. The decrease in the number of individuals in a population, e.g. due to a natural disaster
4. A small number of individuals leave their population to start a new colony
5. The second phase of a subdivided population adaptation process, following genetic drifting