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CAIE A-Level Biology AS 6.2.7 Types of Mutations Questions

Use real CAIE Biology questions to compare original and mutated DNA sequences and classify each change as a substitution, insertion or deletion.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • Classify a substitution when one DNA base or base pair is replaced without changing sequence length.
  • Classify an insertion or deletion when DNA sequence length changes, using the altered sequence to name the mutation type.

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