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A gene (def) is a segment of DNA that codes for a functional product (mRNA, tRNA, or rRNA). Since the vast majority of genes are transcribed into mRNA and mRNA is subsequently translated into polypeptides or proteins, most genes code for protein synthesis. gene (def) is a segment of DNA that codes for a functional product (mRNA, tRNA, or rRNA). Since the vast majority of genes are transcribed into mRNA and mRNA is subsequently translated into polypeptides or proteins, most genes code for protein synthesis.
Each exon codes for a particular part of the protein that is about to be created. Ribosomes. The workhouse of the cell-this is where the proteins are created. Genes are written in the language of DNA, but for proteins the language is amino acids. So the messenger RNA (which is initially formed as a complimentary strand to a sequence of DNA) has to be translated.