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.
Compare and contrast the processes of transcription and RNA modification in bacteria and eukaryotes.
Step 1
Transcription is the formation of RNA (ribonucleic acid) over the template of DNA (deoxyribonucleic acid). It creates single-stranded RNA (ribonucleic acid) which has coded information similar to the sense or coding strand of DNA (deoxyribonucleic acid) with the exception that T is replaced by U. The DNA (deoxyribonucleic acid) strand which functions as a template for RNA (ribonucleic synthesis) is called antisense strand. It has 3’→ 5’ polarity because of transcription proceed in 5’→3’ direction.
RNA (ribonucleic acid) modification is a molecular process through which some cells make a distinct change to a particular nucleotide sequence inside an RNA (ribonucleic acid) molecule after it has been created by RNA (ribonucleic acid) polymerase.
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