So you're telling me such a complex thing exists with no higher being having designed it, merely by chance?
If IQ is hereditary, how come Einstein's children never contributed anything noteworthy?
Bohrs, Heisenberg, Curie, etc.
Pick your most iconic symbol of knowledge and wisdom and realized that none of them ever sired any child that had a fraction of their worth
Now, explain how IQ is correlated with genes
