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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

QuestionAnswer
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