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A-LevelBiologyGenetic technologyMay/June 2023Paper 4 Q412 Marks

Genetic technology uses many different enzymes and techniques. (a) Restriction endonucleases are used in genetic modification. These enzymes occur naturally in prokaryotic cells. More than 3500 different restriction endonucleases have been identified and it is thought there are many more to discover.

Q: What topic does this question test?

This question tests Genetic technology in A-Level Biology (syllabus code 9700). It is worth 12 marks.

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Biology Question

Topic

This structured question tests Genetic technology in A-Level Biology (syllabus code 9700). It is worth 12 marks.

Source

This question appeared in the Cambridge A-Level Biology May/June 2023 examination, Paper 4 Variant 2.

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