Biology › Section I · Biotechnology and genomics › Topic I.1
Biotechnology
Biotechnology is the use of living systems as tools - and since 1953, when DNA's structure revealed how to read and rewrite it, the tools have become astonishing: bacteria that brew human insulin, gels that sort genes by size, viruses that deliver corrected genes, and one famous sheep cloned from a mammary cell.
In this topic
- The oldest new technology
- Gels, blots, and probes
- PCR: photocopying one address
- Molecular cloning: scissors and glue
- Cloning whole organisms
- GMOs in the field
- Biotech in medicine
- Worked example: cloning the insulin gene
- Worked example: what breed is Dolly?
- Common mistakes to avoid
- Key takeaways
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