Lab scene pipettes and machines

[Image appears of a hand syringing liquid from test tubes in a tray, and then images move through to show a close view of the tray, the test tube being put into a machine, and then a researcher operating a machine]

Narrator: Testing DNA involves looking at the DNA which is inside the cells in someone’s body 

[Image shows the researcher closing the lid of the machine, and then the image changes to show the researcher’s hand operating the control panel of the machine and then analysing it to see if there are any variations in the DNA.]