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CAIE A-Level Biology 17.2.7 Selective Breeding Examples

Practise applying selective breeding to disease-resistant crops, vigorous uniform maize and high-yield dairy cattle, including benefits and genetic risks.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • explain maize inbreeding and hybridisation producing vigorous, uniform F1 plants
  • design crop or cattle selection using resistance, yield or milk-production evidence

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