Every DNA sequence embodies a long history of 'squeaking thru' W nature's perils. Every DNA sequence embodies a long history of 'squeaking thru' W nature's perils. W Evolution began several billion years ago, probably with delicate chains of RNA units that occasionally managed to reproduce themselves. Adding DNA as well as RNA made this process less delicate and more accurate. Every DNA sequence embodies a long history of 'squeaking thru' nature's perils.
Mutations are genetic 'hallucinations', and only the useful ones survive.
By one billion years ago, the value of sharing DNA via sexuality was well-established, but biologists acknowledge that we've hardly begun to understand the rules of this evolutionary 'game'. Around 600 million years ago, the Cambrian Explosion generated a profusion of new biological forms, surely with the help of sexual reproduction. This intelligence is encoded in our DNA as social intuition, regarding territory, dominance, and sexuality. Land belonged to the tribe that defended it. Ancestor worship was also universal.