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.
. Eukaryotic processing of hnRNA into mature mRNA includes all of the following steps except:
- ribosome attachment of methionine to the 5’-AUG-3’ codon
- 5’-addition of a 7-methylguanosine cap
- 3’-addition of a polyadenylated tail
- splicing together of exons
- excision of introns
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