Don't think that "solidifying bloodline" is simple, there are too many things involved.
For example, if you were a tenth-grade existence, your offspring would be a ninth-grade Dao cultivator. What kind of concept was that?
It didn't matter if he only inherited the first gene of his race, the weakest type of type 9 gene, but this already represented that he had naturally completed the 100% path of the type 9 laws.
If you were a rank-9 Dao cultivator, the God you gave birth to would naturally have completed 100% of the rank-8 high-dimensional space-time path.
One had to know why the Zergs were so powerful.
It was precisely because her genetic talent was time-related that the Zergs were equipped with a 100% high-dimensional path of the 8th rank from the start. They could even walk the evolutionary path with super-fast speed!