6. Changing organisms

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Dr Alex Lathbridge guides you through the most important GCSE Biology facts, with a few jokes thrown in too. In this sixth episode of our series all about inheritance, variation, and evolution, Dr Alex Lathbridge breaks down how selective breeding and genetic engineering happens in a laboratory. Dr Alex also looks at the advantages and disadvantages of these processes, including genetically modifying insulin in order to help treat the health condition diabetes. Take a look on the BBC Bitesize website to find out more about this topic, with revision notes, quizzes and exam-style questions: https://www.bbc.co.uk/bitesize/guides/zsswgdm/revision/3 Suitable for: Combined science AQA Synergy AQA Trilogy Eduqas Edexcel OCR 21st Century OCR Gateway Single science AQA Eduqas Edexcel OCR 21st Century OCR Gateway