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This slideshow covers topic 4 of the 2016 EdExcel Biology syllabus, including: the theory of evolution, natural selection, how Darwin's work changed modern biology, natural selection causing antibiotic-resistant bacteria, fossil evidence for evolution, ho fossil records of Lucy and the discoveries of Leakey influenced biology, polydactyl limbs and how they are evidence for evolution, common ancestors, classification by the five kingdoms, classification using DNA analysis into three domains, selective breeding, cloning using tissue culture, genetic engineering, how genetic engineering is done (including vectors, sticky ends, ligase and restriction enzymes genetically modified plants, population changes, advantages and disadvantages of genetic modification and selective breeding.

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