It was interesting to see fellow University of Chicago biologist Jerry Coyne casually shoehorn Thornton into a Washington Post review of Darwin Devolves.
Of course finches don’t multiply and cycle through generations as rapidly as bacteria. Still, these birds have been isolated on the iconic islands for some 2 million years.
Lenski agrees that the beneficial mutations seen in his Long Term Evolution Experiment are overwhelmingly degradative or loss-of-function ones.
The dispute started when a review in Science proposed the 2012 article by Näsvall et al. as evidence against Mike Behe’s book Darwin Devolves.
Richard Lenski has spent decades overseeing the most extensive, most acclaimed laboratory evolution experiment conducted to date.