18.4 effects of different forms of selection on evolution Flashcards

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1
Q

what is stabilising selection?

A
  • preserves the average phenotype

- selection against the extreme phenotypes

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2
Q

what is directional selection?

A
  • favours phenotype at one extreme
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3
Q

what is disruptive selection?

A
  • favours individuals with at both extreme phenotypes
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