The multi-output OR-FFL. In a multi-output C1-FFL with OR-gate logic at the Z
promoters, transcription-factor X begins to be produced at a constant rate β at time t=0. At time t=T, the production rate β suddenly becomes equal to zero. Calculate the dynamics of the downstream genes Zi. What are the delays between genes? (use logic input functions). Please plot an example time-course of X(t),Z1(t), and Z2(t).