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 DNA( Deoxyribonucleic acid) is made up of repeating units of the nucleotides, hence these are known as the building blocks of the nucleic acids (DNA and RNA).
DNA is a Double helix, that is there are two strands of DNA. While RNA is single stranded.
Codons are triplets , for example AUG that codes for methionine ( amino acid).
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