Knowledge cannot be passed on via your DNA to our descendants (obviously), so any innate knowledge about the world found in our brains must have been found through natural evolution. But...
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But not so limited that it doesn’t contain enough information to program the development of enormously complicated structures in the brain and other organs. Why would a “connectome” be different?
The fact that DNA (with its limited capacity) can store generative programs for the body & brain is evidence that these systems are not very large in information terms, and that implies that the brain does not store much knowledge about the world, since that would be high-entropy
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But you’re leaving out the information encoded in the protein folding that creates molecular machinery. For instance, a ribosome is encoded by only a few thousand base pairs. The DNA contains assembly instructions, not all the info required for the machine to function
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The fact that there are orders of magnitude more bits required to specify a connectome compared to available in genome means that much of it must be random and with control being indirect (on scheduling, composition, migration,constrained but random connection strategies)
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