Gene technologies, variation and evolution
Free ESAT Biology lesson. Worked examples, common mistakes and a self-check.
What the lesson covers
- Genetic engineering: the idea (B6.1)
- Restriction enzymes and sticky ends (B6.1)
- Making human insulin, and GM crops (B6.1)
- Stem cells (B6.2)
- Variation (B7.2)
- Selective breeding and natural selection (B6.3, B7.1)
- Antibiotic resistance (B7.1)
- Worked problems and exam technique
- Self-check questions with answers (8)
Specification: B6.1-6.3, B7.1-7.2. Codes follow the UAT-UK ESAT content specification.
How to use it
- Read a section, then cover the worked example and try it yourself.
- Check the common mistakes list: these are the slips the real test is built to catch.
- Do the self-check without looking back. Mark it against the answers.
- Then practise the topic under time, with the matching practice set.
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