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4.3 Selective breeding and genetic modification
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Genes, Genomes, and Variation

Genes, Genomes, and Variation

Every organism has a genome, which is the complete set of all its genetic material. Within this genome, genes code for specific proteins that determine physical characteristics, such as the yield of a crop or the growth rate of an animal.

4.3 Selective breeding and genetic modification Lesson

  1. GCSE
  2. /Biology
  3. /4.3 Selective breeding and genetic modification

Step-by-step lessons covering Edexcel GCSE Biology 4.3 Selective breeding and genetic modification for Foundation and Higher tier. Each lesson breaks down 4.3.1 Selective breeding and its impact, 4.3.2 Tissue culture, 4.3.3 Genetic engineering overview, 4.3.4 Main stages of genetic engineering, 4.3.5 Advantages and disadvantages of GM organisms, 4.3.6 Agricultural solutions for a growing population, and 4.3.7 Evaluating genetic engineering and breeding, then works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.