What is DNA?

Extracting DNA from your Saliva!

Materials and Ingredients:
2 Cups
Spoon
Clean water
Pinch of salt
1 spoonful of soap
3 spoonfuls of water
Pinch of meat tenderizer enzyme
Cold alcohol

Method:
1. Write “1” on one cup, and “2” on the other cup.
2. Mix tap water and detergent in cup #1.
3. Fill cup #2 halfway with clean water.
4. Add a pinch of salt to cup #2 and mix.
5. Swirl the salt water from cup #2 in your mouth GENTLY for one minute.
6. Spit the salt water into cup #1.
7. Stir the mixture SLOWLY and GENTLY for 5 minutes. No bubbles!
8. Add the meat tenderizer enzyme to the mixture and stir GENTLY.
9. Let the mixture sit with NO MIXING for 5 minutes.
10. SLOWLY and CAREFULLY pour some cold alcohol down the inside of the cup, allowing it to settle on top of the mixture.
11. Let the cup sit for 10 minutes.
12. You should see a white, stringy substance suspended at the boundary between the alcohol and detergent mixture. That’s your DNA!