Molecular Genetics of Prokaryotes Problem Set
Problem 8: The Oc mutation of the lac operon
An E. coli strain that is lac Z is conjugated with E. coli cells carrying an F' plasmid with the plac Oc lac Z DNA sequence on the episome. The Oc is a mutation of the lactose operator that is no longer able to bind the lac I gene product which codes for the lac repressor. How would the expression of the lac Z be regulated in the resulting cells that are diploid for the lactose regulatory region and the lac Z gene?
University of Arizona
Updated: July 15, 1999 Contact the Development Team