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CAIE A-Level Biology 19.2.3 Gene Therapy for Genetic Diseases

Practise tracing functional alleles through vectors and target cells in SCID or retinal disease, then evaluate efficacy, delivery limits and durability.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • sequence functional-allele insertion into a viral vector and delivery to target cells
  • explain lasting stem-cell therapy through division and inheritance of the corrected allele
  • evaluate survival, behaviour or tissue data alongside vector capacity and immune risk

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