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CAIE A-Level Biology 16.2.4 Genes, Proteins and Phenotype

Practise tracing a mutant allele through altered protein structure or function to a phenotype, using albinism, sickle cell disease, haemophilia or Huntington’s disease.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • link a TYR, HBB, F8 or HTT mutation to its altered or missing protein product
  • trace the protein change through a biochemical effect to the stated disease phenotype

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