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Where is DNA? The project that underwrites this lab activity has been supported by The US Department of Education, Fund for the Improvement of Postsecondary Education (FIPSE), grant # P116B060093. Did You Know That Strawberries… Have… • more vitamin C than an orange? •have only 50 calories per serving? •have no cholesterol or saturated fats? Are.. •good sources of folic acid, potassium, and fiber? More Facts About Strawberries… •Belongs to the Rosaceae(Rose) family Image copyright © Theresa A. Husarik •All varieties belong to the Fragaria genus •Several species forming polyploid series: • 2n=2x to 2n=8x (octoploid) •with x = 7 (autopolyploid) Protocol for DNA Extraction 1. Place 1 strawberry in a plastic, resealable bag and smunch. Why? 2. Add liquid soap, such as Ivory hand soap. Why? 3. Add a small amount of water. Why? 4. Add a pinch of salt. Why? Protocol for DNA Extraction (Continued) 5. Filter the strawberry mess. Why? Protocol for DNA Extraction (Continued) 6. Add 90% alcohol. Why? Protocol for DNA Extraction (Continued) 7. Spool… Protocol for DNA Extraction (Continued) DNA now visible Now what? What do you think he sees?
