I summarise the key specification points you need to know to achieve top grades in A-Level Biology. These videos are as part of the A-Level Biology Masterclass series, which allows you to learn any topic in about 5 minutes. This video focuses on the methods of how to obtain a DNA fragment for recombinant gene technology, including restriction endonuclease, reverse transcriptase and gene machine for A-Level Biology AQA, OCR Edexcel and WJEC. These videos should complement your own revision and studies.


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