ID licenses scientists to be curious about non-conserved biological redundancy and to investigate the possibility that biological redundancy is purposeful.
Junk DNA has been getting redress for decades of ignominy. Now, retrotransposons and transposable elements may be next in line for a better reputation.
There’s more function in the “junk” than imagined. Caltech finds a significant role: maintaining territories and compartments, and guiding components.
The situation resembles a poorly constructed dam holding back water that is continuously rising.
In the past, one of the most common rebuttals to ID was, “If life was designed, then why is over 90 percent of the genome composed of junk DNA?”