Selection would be powerless in ‘producing’ a new organ if selection were not aided all along by the organism’s making appropriate use of it. And this is very essential. For thus, the two things go quite parallel and are ultimately, or indeed at every stage, fixed genetically as one thing: a used organ – as if Lamarck were right.
Lamarck was right after all!🤯Only not in mechanics, but dynamics, of genetics.
