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CAIE A-Level Biology 19.1.10 Microarrays in Genome Analysis

Practise preparing labelled DNA or cDNA for microarrays and interpreting probe hybridisation and fluorescence to detect alleles or gene-expression levels.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • prepare single-stranded sample DNA or mRNA-derived cDNA with a fluorescent label
  • trace complementary hybridisation to known probes and removal of unbound sample
  • interpret fluorescence position and intensity as allele presence or expression level

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