DNA EXPERIMENT BY Cameron Skelton

Materials

Distilled bottled water 3 oz. plastic cups Small test tube w/cap from florist 1 Tsp. of dish soap mixed with 3 Tsp. water 1 Tsp. Gatorade Very cold Ethyl Alcohol 91% or greater

keep on ice Disposable pipettes Paper towels

Collect Cells from Mouth Put Gatorade in mouth. Wash around. Scrape

tongue against teeth to take off cells. Then spit Gatorade out into 3 oz. cups.

Add “Cell Gatorade” to test tube and add solution of 1 Tsp. dish soap with 3Tsp. Water.

Gently rock test tube. Don’t cause bubbles in the tube.

Then add 1 Tsp. of very cold Ethyl Alcohol. Strands of DNA should appear.

In my experiment I did the DNA test on me, my dad, and my dog.

The DNA appeared in me and my dad’s test tube very well but we could not see any strands in Cricket’s (my dog) test tube.

Since we could not make Cricket spit out the Gatorade we swabbed his mouth instead.

Experiment Pictures

DNA