Biologists Quotes



Evolution sometimes produce or retain components that have no purpose or are even inefficient. But he is urging the biologist to remember that none of the life form were designed much less designed efficiently. We humans have an appendix for example, which does nothing positive and sometimes gets infected and kills us. Yet it is still there. We have so much else on the positive side that a few weaknesses are not material to our survival.


He and others have already done it. Joyce's lab at the Scripps Research Institute was the first to produce a self-replicating in vitro system, capable of exponential growth and continuing evolution, composed entirely of RNA enzymes. Most politicians do not understand much about evolution and many actually believe that evolution has not been proven an is not what governs the development of species. And at some point these men and women will have to come to grips with this scientific reality and decide what if any restrictions there should be on the human control and manipulation of the evolution of different species.