Materials:
Listerine Mouthwash
Dawn Soap
COLD Alcohol (Most types should work)
Test Tube (or other transparent container)
Alcohol
- Prepare small amount of Listerine in a cup
- Swish the Listerine in your mouth, biting your cheeks while doing it (Gets cells to take DNA from)
- After ~ 45 seconds of step 2, put the solution in the test tube
- Add dawn soap
- Hold in your hands for ~3 minutes to warm
- Add alcohol (must be cold!)
- There should now be 3 layers
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DNA (White swirly stuff)
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Listerine and Dawn
OPTIONAL: How to make a DNA necklace
Materials:
Dropper
Small glass vial with lid
String
Metal object that has a hole in it (to put the string through)
- Take the dropper and push the air out
- Stick it in to the level of the DNA
- Stop pressing the rubber bulb, so that the DNA is put in it
- Put the DNA solution in glass vial
- Put lid on
- Get metal object and superglue to vial
- Put string through
- Tie string
- Have cool necklace with DNA in it