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Mendelian Inheritance, Genetic Crosses & Punnett Squares | A-level Biology | OCR, AQA, Edexcel

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https://goo.gl/31T06Y to unlock the full series of AS, A2 & A-level Biology videos created by A* students for the new OCR, AQA and Edexcel specification. This begins to introduce the concept of genetic crosses and all associated terminology. If you're not confident predicting outcomes of crosses, we go through two ways of doing just this in nice step by step examples.