Wednesday, November 28, 2018

Extracting DNA from Strawberries!

Students learned about how DNA can be extracted from the fatty nuclear membrane of multiploidal strawberry cells. We crushed up the strawberries carefully in a ziploc baggie, added buffer solution (salt and water and soap-very scientific!), and then they slowly poured this mixture into a filtration setup (paper towel in a paper cup), and let it sit for 10 minutes or more. After that, they poured their solution into a test tube and I added ice cold isopropyl alcohol slowly to the tube and voila...This is what they saw! 























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