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Genetics, evolution
Genetics and Evolution
| Question | Answer |
|---|---|
| Mutation | A change in the genetic code. These can be classified as beneficial, harmful, or neutral to the organisms. |
| Immigration | When new individuals enter a population |
| Genetic Drift | A change in allele frequencies of a gene pool due to chance or random events |
| Emigration | When individuals leave a population |
| Gene flow | The movement of alleles from one population to another |
| Mutations are one way | that new variation can be introduced into a gene pool. |
| The bottleneck effect . | is a genetic drift that occurs after an event greatly reduces the size of a population |
| The founder effect | is a type of genetic drift that occurs when a small number of individuals colonize a new area. |
| Intersexual selection | this occurs when males display traits that are attractive to females |
| Intrasexual selection | this involves competition among males. The winner of these competitions mates with the females. |