So wait, do you reject the possibility that this situation couldn't be the exact same as the one in the past? It seems like you're saying, "Yes, genetics was no

So wait, do you reject the possibility that this situation couldn't be the exact same as the one in the past? It seems like you're saying, "Yes, genetics was not an acceptable answer then, but it is now." If that is what you're saying, then what makes it different now?