Tuesday, April 13, 2010
In the section of Why Evolution is True titled "Can Selection Build Complexity?", Coyne delineates the many arguments in which ID proponents suggest that there is no evolutionary pathway that can construct certain traits, protein complexes, etc., and how there is often an answer if you think long enough. One of the most complex systems we have learned about so far is the immune system. What pathways could lead to having so many different antigen complement proteins and antibodies, able to be selected and proliferated as needed? What about the process of presenting an antigen on the cell surface? Perforin and the process of lysing antigen-presenting cells?