For years they have been gravely advising their fellow Christians that science rules out belief in a historical first pair of human beings.
One of the claims Dennis Venema makes in his book is that the effective population size of our last common ancestor with chimps has never been fewer than 10,000.
The supposed sudden emergence of the enzyme nylonase has been a chief talking point for the power of evolution for many years.
Proteins are composed of a linear string of amino acids, often hundreds in length, and perform all sorts of important tasks in the cell.
The idea here is that, in different species, the same damaging mutation can be found in the same pseudogenes.