Articles > Quizzes & Surveys > The Gene Pool and Population Genetics – Quiz The Gene Pool and Population Genetics – Quiz Quiz Multiple Choice: Select the best answer. 1. The formation of a new species Genetic drift Selective breeding Speciation Gene pool 2. A random change in the allele frequencies in a small population Genetic drift Selective breeding Speciation Gene pool 3. When two groups of a species become separated and therefore cannot reproduce Adaptive radiation Natural selection Reproductive isolation Genetic drift 4. May lead to inbreeding depression and decreased genetic diversity Reproductive isolation Selective breeding Genetic drift Natural selection 5. The sum of genetic material of a population at a given time Gene pool Genetic mutation Genetic drift Population genetics Send Your Results (Optional) Your Name To Email Time is Up!