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Each step in the extraction procedure aids in isolating DNA from other cellular materials. Explain why each step was necessary and put the DNA extraction procedure into context by drawing pictures and writing your responses.
For this lab, you will be extracting DNA from strawberries. Strawberries are great for our in-class (and not extremely precise) DNA extraction because each cell contains lots of DNA. Strawberries are octoploidy; they contain eight copies of strawberry DNA in every cell.
In this lab, students will extract DNA from a strawberry using everyday materials and observe its physical appearance. Objectives: As a result of participating in this activity, students will: Know how to extract DNA from strawberries. Observe what DNA looks like to the naked eye.
Extracting DNA from strawberries is super easy, allowing you to learn about genomics. Join NHGRI Director Eric Green and social media specialist Jenny Montooth as they show you step-by-step how to extract DNA from strawberries using materials available in your kitchen!
Strawberry DNA Forever. This lesson plan is for the extraction of DNA from strawberries. Strawberries are an exceptional fruit to use for this lesson because each individual student is able to complete the process by themselves and strawberries yield more DNA than any other fruit (i.e. banana, kiwi, etc.). Strawberries are octoploid, meaning ...
DNA Extraction from Strawberry. University of California Davis. Partnership for Plant Genomics Education. 2006. Objectives. Students should be able to: Follow a scientific protocol. Describe where DNA can be found. Understand basic chemical nature of DNA. Understand why DNA precipitates with salt/ethanol. Describe appearance of DNA.
The DNA found in strawberry cells can be extracted using common, everyday materials. We will use an extraction buffer containing salt to break up protein chains that bind around the nucleic acids and dish soap to dissolve the lipid (fat) part of the strawberry cell wall and nuclear membrane.