The difference between a gene that is de-repressed and one that is induced is: (2) a gene that is de-repressed is turned on because a repressor protein is not bound without its cofactor. By comparison, a gene that is induced is turned on because an inducer molecule prevents binding of the repressor.
Gene is the basic factor of heredity. It is the unit that carries the information for any trait or character. The gene is present on a chromosome. Each gene has its own specific location on chromosome called the locus.
Repressor is a protein molecule that inhibits the expression of genes. This is achieved by the binding of the repressor molecule to the promoter region so that enzymes like RNA polymerase cannot perform their function.
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