BRAINCAKEThe Polymerase Chain Reaction
In the past, at least 1μg of DNA was required for DNA profiling. With PCR, only tiny amounts of DNA are needed as DNA can be replicated from very small amounts.
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Key terms in this lesson
- DNA profiling
- A technique that uses the pattern of variable-number repeat sequences (mini- and microsatellites) in an individual's DNA, revealed by restriction digestion and gel electrophoresis, to identify or compare individuals.
More in Genetic Engineering and Biotechnology
- Non-coding DNA
- Gel Electrophoresis
- DNA Profiling
- 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