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.
A cloned gene fragment contains a regulatory element that is
recognized by a regulatory transcription factor. Previous
experiments have shown that the presence of a hormone results
in transcriptional activation by this transcription factor. To study
this effect, you conduct an electrophoretic mobility shift assay
and obtain the following results:
Explain the action of the hormone.
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