Genetic Drift and the Bottleneck Effect
Read this topicExplanations 2
- Founder Effect The founder effect is a change in the allele frequency as a result of migration. The portion of the population that has migrated may not represent the gene pool o…
By Tanya Peifer
- Bottleneck Effect The bottleneck effect is defined as a sharp lowering of a population's gene pool because of an environmental, or human caused change. References DrDiclonius
By Tanya Peifer
Problems 3
- A hurricane wipes out most of the population on a remote tropical island. The new generation has a decreased gene pool. This is an example of:
- Due to religious persecution the pilgrims decide to leave the old world and start settling the Americas. The new population has a decreased gene pool. This is an example of:
- Genetic drift is a random change in the allele frequencies of a population.