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Genetic Fingerprinting
For Student Groups

Differences in repetitive DNA sequences among human individuals are shown using molecular analysis methods.

Book Genetic Fingerprinting

Age
16 to 20 years
Duration
1 day
Maximum number of participants
20

Experiments

  • Isolation of DNA from oral mucosa samples
  • Polymerase chain reaction (PCR)
  • Agarose gel electrophoresis

DNA of individuals is, like the fingerprint, unique and offers an appropriate tool for identification. The modern genetic fingerprinting is performed here using PCR to show differences in the non-coding repetitive DNA sequences of individuals, allowing their identification. Several application domains of DNA profiling, such as criminal analysis, relationship testing or examination of ancient DNA are elucidated here based on real examples.