Lenski agrees that the beneficial mutations seen in his Long Term Evolution Experiment are overwhelmingly degradative or loss-of-function ones.
Alas, Coyne’s review of Darwin Devolves has too little intellectual content to sustain any real engagement.
Richard Lenski has spent decades overseeing the most extensive, most acclaimed laboratory evolution experiment conducted to date.
Darwinian evolution, even in its 21st-century form, fails the formidable task of explaining how the first enzyme arose.
Finely tuned and exquisitely engineered, this system gave our ancestors enough oxygen not only to stay alive but to thrive in the face of a hostile environment.