Here's the argument for why the gene doesn't exist from a molecular biological perspective... I tried to make it as simple and understandable to as I can so let me know if there needs to be any clarification
@the_actualaaron So, Firstly a"gene" since it's conception was known to be a unit of heredity. Remember the concept of a gene was before we discovered DNA. So, The scientific community attributed DNA to be the gene, the so-called unit of heredity but with our understanding of molecular biology...