A forward by Professor Maciej Giertych
(honorary member of Daylight Origins Society)
The evolutionary value of new races or selected forms should be demonstrable by natural selection. However, if allowed to mix with the general breeding population, new races will disappear. The genes in select combinations will disperse again; the domesticated forms will go wild. Thus there is no evidence for Evolution here.
Mutations figure prominently in the Evolution story. When in the early '60s I was starting breeding work on forest trees, everyone was very excited about the potential of artificial mutations. In many places around the world, special "cobalt bomb" centers were established to stimulate rates of mutations. What wonderful things were expected from increased variability by induced mutations. All of this work has long since been abandoned. It led nowhere. All that was obtained were deformed freaks, absolutely useless in forestry.
Maybe occasionally some oddity could be of ornamental value, but never able to live on its own in natural conditions. A glance through literature on mutations outside forestry quickly convinced me that the pattern is similar everywhere. Mutations are either neutral or detrimental. Positive ones, if they do occur, are too rare to be noticeable. Stability in nature is the rule. We have no proofs for Evolution from mutation research.
It is sometimes claimed that strains of diseases resistant to antibiotics, or weeds resistant to herbicides, are evidence for positive mutations. This is not so. Most of the time, the acquired resistance is due to genetic recombination and not due to mutations. Where mutations have been shown to be involved, their role depends on deforming part of the genetic code, which results in a deformed, usually less effective protein that is no longer suitable for attachment by the harmful chemical.
Herbicides are "custom made" for attachability to a vital protein specific for the weed species, and they kill the plant by depriving the protein of its function when attached to it. A mutation that cancels attachability to the herbicide and does not totally deprive the protein of its function is in this case beneficial, since it protects the functionality of the protein. However this is at a price, since in fact the change is somewhat detrimental to normal life processes. At best it is neutral. There are many ways in which living systems protect functionality. This is one of them. Others include healing or eliminating deformed parts or organisms. Natural selection belongs here. So does the immunological adaptation to an invader. Of course such protective adaptations do not create new species, new kinds, new organs or biological systems. They protect what already exists, usually at a cost. Defects accumulate along the way.