The UG4 gene is expressed in the stem and leaf tissue of the plant Arabidopsis thaliana. To identify potential mechanisms regulating UG4 gene expression, six small deletion mutations are made in cloned sequence containing the upstream regulatory region. The full length mutant segments Which mutation(s) affect an enhancer? Why? Which mutations identify the promoter? Why? Speculate about the reason for different transcription rated obtained for fusion constructs E and F.
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.
The UG4 gene is expressed in the stem and leaf tissue of the plant Arabidopsis thaliana. To identify potential mechanisms regulating UG4 gene expression, six small deletion mutations are made in cloned sequence containing the upstream regulatory region. The full length mutant segments
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Which mutation(s) affect an enhancer? Why?
-
Which mutations identify the promoter? Why?
-
Speculate about the reason for different transcription rated obtained for fusion constructs E and F.
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