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CAIE A-Level Biology A2 17.2.2 Stabilising Disruptive and Directional Selection Questions

Interpret phenotype distributions to distinguish stabilising, disruptive and directional selection, explaining which variants are favoured and how the population pattern changes…

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • Compare stabilising, disruptive and directional selection by interpreting how each changes phenotype distribution and favours particular variants.

CAIE A-Level Biology A2 17.2.2 Stabilising Disruptive and Directional Selection Questions question 1

[Maximum number: 3]

Explain what is meant by disruptive selection.

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