A partial diploid in E. coli is created so that LacI is no longer expressed from the genome and is instead expressed from a plasmid. When this E. coli strain is grown in the presence of lactose and glucose, we should expect that the lac operon will be: Question 14 options: Constitutively expressed due to LacI being expressed from a plasmid Induced due to functional Catabolite Activator Protein (CAP) Repressed due to functional LacI Induced due to non-functional LacI Expressed at low levels due to non-functional Catabolite Activator Protein (CAP)
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.
Question 14 options:
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Constitutively expressed due to LacI being expressed from a plasmid
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Induced due to functional Catabolite Activator Protein (CAP)
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Repressed due to functional LacI
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Induced due to non-functional LacI
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Expressed at low levels due to non-functional Catabolite Activator Protein (CAP)
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