What role does DNA evidence play in solving crimes? Watch this introductory video.
So what is a DNA fingerprint? DNA fingerprints or profiles are made using a technique called gel electrophoresis.
Watch this animation to see how a DNA fingerprint is made.
Source: DNA Finger Printing, ppornelubio, YouTube
Now perform this virtual lab and learn how gel electrophoresis is done.
Source: Gel Electrophoresis Virtual Lab, University of Utah: Learn Genetics