For a lac operon of genotype PPO*Z* , functional beta-galactosidase is ... (pick the best answer) Select one: a. Never produced O b. Constitutively produced O c. Under inducible control
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
Hi, Thanks For Your Question.
Answer : Correct Option Is A (Never produced).
I Gene Encodes For Repressor Which Binds To Operator And Inhibits The Transcription Of The Lac Operon. In This Case, I Gene Is Mutated, So Repressor Will Not Be Formed And The Operon Will Express Itself All The Time, Irrespective Of The Presence Or Absence Of Lactose In The Medium. This Is Called As Constitutive Expression.
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