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DNA Detectives

Discover how forensic scientists analyse DNA found at crime scenes to help solve crimes in this hands-on, interactive workshop.

Who is it for: Key stage 3
Duration: 90 minutes
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Two students in forensic DNA workshop completing experiment in white lab coat and blue gloves at Life Science Centre.

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

Students use gel electrophoresis to compare DNA fingerprints from three suspects to a sample found at a crime scene to determine which of the suspects might have committed the crime. 

 

 

Curriculum links

Key stage 3
Biology
  • Key stage 3 Chromosomes, DNA and genes
  • KS3 Working scientifically, Experimental skills and investigations, Analysis and evaluation, Measurement

By the end of the workshops students will have discovered:

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An introduction to chromosomes, DNA and genes including the part played by Watson, Crick, Wilkins and Franklin in the development of the DNA model

DNA fingerprint icon.

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

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How to carry out key lab techniques using specialist equipment

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How electrophoresis can be used to analyse DNA samples

School trip prices

Please note: our school workshop prices change slightly from 1 September 2025.

Teachers and adult helpers go FREE!
Workshop only
£5.50 per pupil
Workshop and science centre visit
£11.00 per pupil