Instructional Video

Triplet Code

Curated and Reviewed by Lesson Planet

Genetic code for amino acids always uses three letters. The explanation for why it occurs in triplets makes for a brief statistical video. Examples of single and double letter codes prove insufficient for the number of amino acids.

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CCSS: Adaptable
NGSS: Designed
Additional Tags
Instructional Ideas
  • Find out the maximum number of combinations using triplet coding
  • Extend the idea by discovering the maximum possible if the activity used quadruplet coding instead
Classroom Considerations
  • Relies on prior knowledge of DNA, DNA sequencing, and the 20 amino acids
Pros
  • Connects math and science
  • Provides closed captioning to support English learners
Cons
  • None