BRAINCAKEGenetic Engineering
Once the gene is isolated and inserted into a vector (usually a plasmid) the vector is introduced into the host cell. Plasmids usually contain a marker gene for e.g. antibiotic resistance. A second marker gene may be placed into the plasmid such as a gene for fluorescence.
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Key terms in this lesson
- vector
- A vehicle, such as a plasmid or virus, used to carry a gene of interest into a host cell during genetic engineering.
- plasmid
- A small, circular piece of DNA, separate from the main bacterial chromosome, often used as a vector in genetic engineering.
More in Genetic Engineering and Biotechnology
- Automated Sequencing
- Pathogens, DNA Barcoding
- Genomics and Proteomics
- Recombinant DNA
- Genetically Engineering Different Organisms
- Genetically Engineering Plants
- Ethical Concerns - microorganisms
- GM plants
All 17 lessons in Genetic Engineering and Biotechnology · All AQA A-level Biology topics