The metaphor implies the biochemistry, at least somewhat. If you read the paper — anyone with a college degree should be able to understand it — most of the err

The metaphor implies the biochemistry, at least somewhat. If you read the paper — anyone with a college degree should be able to understand it — most of the errors are about DNA being transformed into RNA. But the word transcribe means a copy is made! Maybe people also see the arrow as a chemical reaction product, being primed from HS chem, but arrows are used for other things. If you don’t know what transcribe means, you are likely to assume the wrong metaphor, I guess.