DNA profiling

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  • DNA Profiling
    • Used for identification
      • Forensics
        • DNA sample from crime scene compared to DNA samples of suspects
          • Bands will be in the same position
      • DNA sample from crime scene compared to DNA samples of suspects
        • Bands will be in the same position
    • Used to determine relationship between organisms
      • Paternity test
        • Sample taken from child, mother, and father. The more bands they have that are the same, the more closely related they are
          • STRs would come from both parents as introns are inheritd
      • Classification of new species
    • Uses introns (non-coding regions of DNA)
      • Inherited
      • Introns have short tandem repeats (STRs)
        • Same STRs occur at the same locus on both chromosomes of a homologous pair

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