For more than three thousand million years, DNA has been the only replicator worth talking about in the world. But it does not necessarily hold these… - Richard Dawkins

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For more than three thousand million years, DNA has been the only replicator worth talking about in the world. But it does not necessarily hold these monopoly rights for all time. Whenever conditions arise in which a new kind of replicator can make copies of itself, the new replicators will tend to take over, and start a new kind of evolution of their own.