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DNA fingerprinting

What Is DNA Profiling?
Image: iStockphoto.com/Pgiam

What Is DNA Profiling?

Unlike the whorl of lines at the tips of your fingers, your DNA fingerprint can be found in any cell, tissue, or organ of your body. And there's no known way to alter it.

DNA fingerprinting quickly became the top method used to detect everything from genetic disorders to criminals. Investigate this forensic science, now known as DNA Profiling, and its laboratory procedures.

Science Museum, London
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Create a DNA Fingerprint

Create a DNA Fingerprint

Step into this high-tech crime lab to see if you have what it takes to create a DNA fingerprint and then nab the perp. More...

Interactive
NOVA/PBS
Extracting Mummy DNA

Extracting Mummy DNA

When researchers tested the DNA of Otzi, a 5,000-year-old mummy from the European Alps, they uncovered some remarkable details about how he lived. Watch the video. More...

Video
NOVA/PBS
Gel Electrophoresis Virtual Lab

Gel Electrophoresis Virtual Lab

Sort and measure DNA strands by running your own gel electrophoresis experiment — without ever having to wash your hands. More...

Interactive
Genetic Science Learning Center
Can DNA Demand a Verdict?

Can DNA Demand a Verdict?

Is DNA evidence alone enough to acquit or convict a suspect? Discover how DNA profiling or typing is used in courtrooms. More...

Article
Genetic Science Learning Center
Crime Scene Investigation

Crime Scene Investigation

The arrival of cheap and fast DNA fingerprinting is helping the wrongly convicted prove their innocence. Read one man's story. More...

Article
The Why Files
Milestones: DNA Technologies

Milestones: DNA Technologies

See how our knowledge of DNA has evolved since the 1952 invention of a device that could separate complex mixtures of hydrolyzed RNA. More...

Article
Nature
Putting DNA to Work

Putting DNA to Work

Explore the many ways DNA technologies can be useful: understanding disease, improving crops, solving crimes and more. More...

Interactive
Koshland Science Museum
What Makes a DNA Fingerprint Unique?

What Makes a DNA Fingerprint Unique?

Forensic scientists can use DNA to solve crimes. Explore the unique "fingerprint" of DNA sequences with this computer-based experiment. More...

Activity
Science Buddies

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