Does Gene Influence Knowledge of a Person?

It is all we know that the intelligence of a human is influenced by gene and other environmental factors. Also, there are stories saying knowledge of a father also be carried to his son. However, those are just folk tales as we think of.

Obviously, there must be a knowledge transmission through genes. But, the things will not be realized or acquainted nevertheless they are induced. It happens when a child is with his father. A child starts to follow the habits of his father soon. If he is separated from his family, he will not imitate his father since there is less probability for him to see such in other environments.

The fact behind maybe, the Neurons need to be fired in between appropriate neural nodes in his brain itself to establish connections among the nodes. The nodes are structurally hatched from his gene but the connections are not conducted in his gene. So, the memory is only accessible to one only if he gets involved in any related events.
This is how ancient people (sages) could have attained immense wisdom by just doing yoga. They might have able to fire neurons appropriately throughout using their yoga practices. Therefore, they could have realized and recalled the memory stored in their genes. Another evidence could be, boys are often intelligent in electronics and electrical.