level: 18.4 Effects of different forms of selection on evolution
Questions and Answers List
level questions: 18.4 Effects of different forms of selection on evolution
| Question | Answer |
|---|---|
| Stabilising selection | - Preserves the average phenotype (phenotypes around the mean) of a population by favouring average individuals - Selection against the extreme phenotypes |
| Directional selection | - Changes the phenotypes of a population by favouring phenotypes that vary in one direction from the mean of the population - Selection for one extreme phenotype |
| Disruptive selection | - Favours individuals with extreme phenotypes rather than those with phenotypes around the mean of the population |