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DNA is the code for all biological traits, both plant and animal. Using an exploratory lesson, learners begin to explore the concept of a biological code by decoding word puzzles. They then extract DNA from plant cells using detergent to break down the cell walls and membranes.
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Instructional Ideas
- Have pupils develop their own codes and have a partner attempt to crack them
Classroom Considerations
- Allow time to collect and prepare materials
- Expects a basic understanding of DNA prior to completing the activity
Pros
- Provides important background information
- Includes a set of reflection questions
Cons
- None