BRAINCAKEDNA Profiling
Strands of DNA are cut into small fragment using restriction endonucleases. There are thousands of different restriction enzyme each cutting DNA at a specific sequence or recognition site. A combination of restriction enzymes leaves the micro and mini-satellite regions intact.
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Key terms in this lesson
- gel electrophoresis
- A technique that separates DNA fragments (or other charged molecules) by size, by passing an electric current through a gel so that smaller fragments move further towards the anode.
More in Genetic Engineering and Biotechnology
- Non-coding DNA
- Gel Electrophoresis
- The Polymerase Chain Reaction
- DNA Sequencing
- Automated Sequencing
- Pathogens, DNA Barcoding
- Genomics and Proteomics
- Recombinant DNA
All 17 lessons in Genetic Engineering and Biotechnology · All AQA A-level Biology topics