Determine the number of possible genetic codes. Class members are challenged to determine the number of possibilities of a genetic code that is 20 bases long. They continue to explore the average lengths of broken RNA molecules.

Concepts

genetic code, genetics, combinations, rna, dna, dna sequence, sequences

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Additional Tags

math

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Instructional Ideas

• Use color cubes to create sequences that are two and three bases long
• Provide a brief introduction to DNA and RNA

Classroom Considerations

• Pupils should be knowledgable about combinations

Pros

• The answer key includes a discussion of possible answers
• Rubric contains descriptions of what is required for partial and full credit

Cons

• None

Common Core

HSS-CP.B.9 MP1 MP2