1. lacW/KO have more serve phenotype
   1. high dosage have many satellite bouton or mini boutons
      1. lack of phosopholipids?
         1. How?
      2. lack of Wg?
         1. How?
      3. Transport defects?
         1. How?
      4. lack of the other trophic factors?
         1. How?
      5. lack of Appl?
      6. lack of PKC activity?
      7. mitochandri transport is affect?
   2. low dosage lets NMJ cannot growth
      1. lack of the other trophic factors which is necessary for NMJ growth?
      2. lack of Wg?
      3. lack of phospholipids?
      4. Transport?
2. lacW/KO background
   1. Is the KO hetrozygous have phenotype?
      1. Yes: is dominant
      2. No: there is a enhancer of dAcsl