This is a post in progress. I am trying to come up with a (somewhat) basic argument that shows the pointlessness of the irreducible complexity argument. Please leave comments, questions, and ideas for improvement.
Let us suppose a biological system. Gene A performs action X. Gene A evolves to function as a tetramer.
In the format:
Gene group -> action
AAAA -> X
Now, suppose gene A duplicates in the genome (see the case of the Hox cluster). Gene A… Continue