Inheritance
Free ESAT Biology lesson. Worked examples, common mistakes and a self-check.
What the lesson covers
- Genes and alleles (B4.1, B4.2)
- The vocabulary of genetics (B4.2)
- Monohybrid crosses (B4.3)
- Probabilities, expected numbers and the test cross (B4.3)
- Pedigree diagrams (B4.3)
- Inherited disorders, carriers and probability (B4.3)
- Three full walkthroughs (B4.3)
- Putting it together: exam technique
- Self-check questions with answers (8)
Specification: B4.1-4.3. 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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