Forensics — DNA Profiling Steps

digraph DNAProfile {
  rankdir=LR;
  node [shape=box, style=rounded];
  "Extract DNA" -> "Amplify STRs (PCR)";
  "Amplify STRs (PCR)" -> "Electrophoresis";
  "Electrophoresis" -> "Read fragment sizes";
  "Read fragment sizes" -> "Compare to reference";
}