IGCSE Biology - Genetic modification (21.3)

IGCSE Biology - Genetic modification (21.3)

🎓 IGCSE Biology - The Complete Course - https://www.tes.com/teaching-resource... 🎓 IGCSE Chemistry -   / igbiocomplete   ☕️ Buy me a coffee - https://www.buymeacoffee.com/ArthurJo... Cambridge IGCSE Biology (0610/0970) Chapter 21 - Biotechnology and genetic modification Topic 21.3 - Genetic modification For exams in 2023, 2024 & 2025 (core and extended) As always this video follows the Cambridge syllabus exactly and contains absolutely everything you need to know for your final exam! My other channels: @igpecomplete - Cambridge IGCSE PE @ocrpecomplete - OCR GCSE PE Timestamps: 0:00 Contents 0:42 Genetic modification 1:01 Examples of genetic modification 3:11 Genetic modification of bacteria (extended) 4:25 Advantages of genetic modification (extended) 5:30 Disadvantages of genetic modification (extended) Core content: Describe genetic modification as changing the genetic material of an organism by removing, changing or inserting individual genes Outline examples of genetic modification: (a) the insertion of human genes into bacteria to produce human proteins (b) the insertion of genes into crop plants to confer resistance to herbicides (c) the insertion of genes into crop plants to confer resistance to insect pests (d) the insertion of genes into crop plants to improve nutritional qualities Extended content: Outline the process of genetic modification using bacterial production of a human protein as an example, limited to: (a) isolation of the DNA making up a human gene using restriction enzymes, forming sticky ends (b) cutting of bacterial plasmid DNA with the same restriction enzymes, forming complementary sticky ends (c) insertion of human DNA into bacterial plasmid DNA using DNA ligase to form a recombinant plasmid (d) insertion of recombinant plasmids into bacteria (specific details are not required) (e) multiplication of bacteria containing recombinant plasmids (f) expression in bacteria of the human gene to make the human protein Discuss the advantages and disadvantages of genetically modifying crops, including soya, maize and rice.