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.
Explain how regulatory regions of the lac operon can
be used in the production of pharmaceutical proteins
The lac operon is an operon that allows the bacteria to use lactose to synthesize energy. It is composed of three cistrons or DNA fragments, which encode a functional protein. The cistron encoded proteins may function alone or as sub-units of larger enzymes or structural proteins. The Three cistrons in the lac operon are Lac Z, Lac Y, and Lac A.
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