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Extracting Onion DNA

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In this Science Buddies science project, you will extract DNA from onion in sufficient quantity to be seen and spooled.  You can customize this kit to include the thermometer, different beakers, culture tubes, and other supplies needed to complete this experiment.

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In this project, you'll learn how to isolate DNA from onion cells, separating it from other cellular components in a manner that still preserves its structure and sequence. In the end, you'll have enough DNA to see with the unaided eye, and you'll be able to spool it to demonstrate its strand-like structure.

View the full project, background information, procedures, and more at ScienceBuddies.com