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Forensic DNA

Students use gel electrophoresis to compare DNA fingerprints

Who is it for: Key stage 4 and post-16
Duration: 90 minutes
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DNA fingerprints are covered in this key-stage-4 schools' workshop.

Discover how forensic scientists analyse DNA found at crime scenes to help them solve crimes.

Students use restriction enzymes and gel electrophoresis to prepare DNA fingerprints before comparing their three suspects to a sample found at a crime scene to determine which of them might have committed the crime. 

  

Curriculum links

Key stage 4 and post-16
Biology
  • KS4 Science - Cell Biology, Evolution, inheritage and variation, working scientifically.
  • AS/A Level Biology - Biological molecules, Genetics, Forensics
  • OCR AS & Level biology: PAG 6.2 Electrophoresis of DNA fragments for analysis.
  • Edexcel Level 3 Advanced GCE (A level) Biology A: Core practical 14: Use gel electrophoresis to separate DNA fragments of different lengths.

By the end of the workshops students will have discovered:

DNA fingerprint icon.

How the unique DNA fingerprint of a suspect can be used to link them to the scene of a crime.

Test tube icon

How to carry out key lab techniques using specialist equipment.

Enzyme icon.

How restriction enzymes are used to select the relevant sections of DNA for analysis. (enzyme)

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How electrophoresis can be used to analyse DNA samples.

School trip prices

We allow a ratio of 1 adult to every 5 children for most groups. Additional adults over this ratio will be charged. In the case of SEN groups, we may offer further free adult support on request – please contact us to discuss your requirements.

Teachers and adult helpers go FREE!
Workshop price
£11.95 per pupil
(min 12, max 24)
Science Centre visit add-on
£6.95 per pupil
FREE 15-minute careers workshop add-on

Optional add-on focused on STEM careers and designed to support Gatsby Benchmarks

What other teachers say...

‘Well organised. All students enjoyed this lab. Lauren was excellent. We’d recommend!’

Kirby Stephen Grammar School

‘Fantastic session in the lab. Delivery was perfectly aimed at our group. Really great value for money and excellent organisation. Thanks!’

Gosforth Academy