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Vocabulary 16.2
Disruption of Genetic Equilibrium
| Term | Definition |
|---|---|
| Immigration | The movement of an individual or group into an area |
| Emigration | The movement of an individual or group out of an area |
| Gene Flow | The movement of genes into or out of a population due to interbreeding |
| Genetic Drift | The random change in allele frequency in a population |
| Sexual Selection | An evolutionary mechanism by which traits that increase the ability of individuals to attract or acquire mate appear with increasing frequency in a population; selection in which a mate is chosen on the basis of a particular trait or trait |
| Stabilizing Selection | A type of a natural selection in which the average form of a trait is favored and becomes more common |
| Disruptive Selection | A type of natural selection in which two extreme forms of a trait are selected |
| Directional Selection | A type of natural selection in which the most extreme form of a trait is favored and becomes more common |