4 A2/A-level Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter A2/A-level SubjectClear filter Biology Exam board OCR TopicClear filter DNA, genetics and evolution Genetic engineering Health, illness and disease Practical applications of biology Resources Advantages and disadvantages table Grid GM Ethics - Plants A2/A-level, Biology Grid 5.0 / 5 GM Ethics - Microorganisms A2/A-level, Biology Grid GM Ethics - Animals A2/A-level, Biology Grid GM Ethics - Gene Therapy A2/A-level, Biology Grid Search again