Why there are no intelligence differences between races, according to AI

‌1. Physical ability is determined by 'just a few genes,' but intelligence is the 'entire system of the brain.'
Physical ability (closer to simple traits): Certain physical abilities are heavily influenced by a few decisive genes. For example, the ACTN3 gene (RR type) that produces muscle proteins for explosive sprinting speed, or genes that maximize oxygen transport capacity, show distinct differences even with just a few variations. These genes were more likely to survive in specific regional populations depending on climate or terrain. [1]Intelligence (highly complex polygenic trait): On the other hand, there is no "cheat code" gene like an "intelligence gene." It is the result (an emergent property) of complex interactions among thousands or tens of thousands of genes across the entire brain, such as the connectivity of brain cells, the secretion rate of neurotransmitters, and the development of memory-related regions. It is biologically impossible for a specific race or group to inherit this entire set of tens of thousands of genes in a superior way, which would disrupt biological balance. [1,2]
However, since this data could be contaminated,
the truth lies beyond.