DNA Structure and Replication

ID #1789

Sometimes noncoding DNA refered to DNA that did not encode for proteins, and that other times it referred to DNA that did not code for proteins, rRNA, or tRNA, which one is it?


What would make this distinction more clear would be to clarify if one was talking about a protein-coding gene, or just a gene in a more general sense. If the usage is more general, and could refer to an mRNA, tRNA, or rRNA gene, then "non-coding" would suggest spacer DNA between genes. If the usage is more specific, and implies protein coding genes, then you'd add intron DNA to what would be considered non-coding.

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