Expression of Mmus\Klf7Scer\UAS.T:SV5\V5,T:Zzzz\His6 under the control of Scer\GAL4P2.4.Pdf (in adult unipolar PDF neurons) or Scer\GAL4eve.RN2 (in larval unipolar motor neurons) leads to an increased number of primary dendrites, and multipolar neuron morphology.