Which of the Following Genes of Phage L Encodes the Repressor

Question

Which of the following genes of phage l encodes the repressor?
A) CI
B) OL
C) OR
D) CIand OL
E) OLand OR

Accepted Answer

The C_I gene of phage lambda encodes the lambda repressor protein, which is responsible for maintaining the lysogenic state by repressing the lytic genes.