Consider a mutation in -10 BOX promoter consensus sequence (TATAAT) in the prokaryote recA gene where the first T base mutated to G, what outcome(s) are likely? a. transcription levels will increase as the GC content would increase b. this mutation is silent, so no change in transcription level c. transcription levels would decrease because the promoter would be weaker d. transcription levels do not depend on the promoter sequence for the gal gene e.
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.
Consider a mutation in -10 BOX promoter consensus sequence (TATAAT) in the prokaryote recA gene where the first T base mutated to G, what outcome(s) are likely?
a.
transcription levels will increase as the GC content would increase
b.
this mutation is silent, so no change in transcription level
c.
transcription levels would decrease because the promoter would be weaker
d.
transcription levels do not depend on the promoter sequence for the gal gene
e.
nothing would happen because the promoter would not change the mRNA sequence
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