2. Inheritance

Available for over a year

Dr Alex Lathbridge guides you through the most important GCSE Biology facts, with a few jokes thrown in too. In this second episode of our series all about inheritance, variation, and evolution, Dr Alex Lathbridge breaks down what allegles are and how they can be dominant or recessive and heterozygous, or homozygous. Dr Alex also looks at the difference between genotypes and phenotypes, how genetics determine biological sex, and what causes inherited health disorders including cystic fibrosis and polydactyly. 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/zcdfmsg/revision/1 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