Restructuring the Genome in Response to Adaptive Challenge: McClintock's Bold Conjecture Revisited

I believe there is little reason to question the presence ofinnate systems that are able to restructure a genome. It isnow necessary to learn of these systems and to determinewhy many of them are quiescent and remain so over verylong periods of time only to be triggered into action byforms of stress, the consequences of which vary according to the nature of the challenge to be met...