Extracting DNA from Living Things

This Extracting DNA from Living Things activity & project also includes:

Help! Someone's trying to take my DNA! An interesting lab experiment has scholars use basic materials to extract DNA. By applying ethanol, cold water, and a protease enzyme, like pineapple juice, they pull strands of DNA from peas, onions, or fish eggs.

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Instructional Ideas
  • Conduct the activity as a demonstration, especially if materials are scarce
Classroom Considerations
  • Activity recommends some organic materials to use; see teacher notes in resource
  • Learners should be familiar with DNA
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Includes a student worksheet
  • Provides a list of investigating questions
Cons
  • None