Most eukaryotic genes are normally inactive and require positive regulation. Determine whether the following are associated with positive regulation (activation) or negative regulation of eukaryotic ger If one of the choices is not a factor involved in regulating transcription, or if a choice does not apply place it in the "neither" bin. Positive regulation Negative regulation susceptible to enhancer bound by DNase digestion transcription factor(s) transactivator interacts with histone acetyltransferases (HATS) mediator detaches from coactivator bound to DNA euchromatin RNA polymerase II Neither increased histone deacetylase activity

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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.