How It Works

What machines are used to identify DNA in a forensic laboratory?

Joe Jacobs

- JE

A thermostat­ic cycler can separate and amplify the sample, creating copies. This is useful if the sample is small or has deteriorat­ed. A DNA analyser is used to match samples by comparing nucleotide sequences. This can be used to show the likelihood that a suspect was present at a crime scene or if they were in contact with evidence. A polymerase chain reaction machine allows multiple experiment­s to be carried out on a single sample simultaneo­usly.

 ?? ?? Scientists use a thermostat­ic cycler to create samples for further testing
Scientists use a thermostat­ic cycler to create samples for further testing

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