A constitutive mutation in the lac operon may be of several
     A constitutive mutation in the lac operon may be of several types Name two types of constitutive mutations.  Enter two answers separated by a comma. Use plain text, do not superscript.  Each mutation should begin with lac. For example: lacP-, lacl+ 
  
  Solution
A constitutive mutation in lac operon is of several types.
The two types of constitutive mutations are lacOc, lacI-

