The genetic code is said to be degenerate, which means that: A An anticodon can interact with more than one codon in the mRNA in which the codon may differ in any or all of the three nucleotides. (B) Each codon codes for more than one amino acid. (C) The code is universally used by virtually all species. (D) Most amino acids are coded for by more than one codon.

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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.