public Vector<PelicanPerson> getChildren() {
   Vector<PelicanPerson> result = new Vector<PelicanPerson>();
   Iterator<PelicanPerson> allPersonIt = pelican.getAllPeople().iterator();
   while (allPersonIt.hasNext()) {
     PelicanPerson possibleChild = allPersonIt.next();
     if ((possibleChild.father == this) || (possibleChild.mother == this))
       result.add(possibleChild);
   }
   return result;
 }
 public String getWorkingGenotypeAsString() {
   return workingGenotypes[pelican.getCurrentModelNumber()][0]
       + " "
       + workingGenotypes[pelican.getCurrentModelNumber()][1];
 }