← Free resource libraryGenetics • Free activity
DNA Code Message
Use four DNA bases as a coding system to create and decode secret messages.
9–1520–35 minFree to usePrintable page
You will need
Paper, pens, prepared A/C/G/T key
Investigation
What to do
1
Assign base triplets to letters or symbols.
2
Write a short coded message.
3
Exchange messages with another learner.
4
Decode the sequence.
5
Discuss how biological information differs from a human-made code.
Science thinking
What this develops
Genetic information, sequences, encoding and models.
Safety first
Use age-appropriate supervision and safe materials. Stop any activity that is unsuitable for the learner or environment. These resources are educational activities, not professional laboratory, medical or safety instructions.
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