This powerpoint is made entirely based on the AQA A level biology specification (from 2015) it contains descriptions and slides on every section of the specification, including diagrams, summary pages, questions as you go, enzyme and definition linking exercises. Focuses on the following topics: Making DNA fragments - use reverse transcriptase, restriction endonucleases and a gene machine Amplifying fragments - PCR and in vivo cloning Uses - agriculture, medicine, industry Pros and cons of the uses Gene therapy - somatic and germ line Gene probes and medical diagnosis Genetic fingerprinting and its uses