I think that your right to an extent. I belive that if you made an exact duble of me and put him in a situation where he had to do this or this they would pick the same thing about 85% of the time there is always a bit of uncertanty in EVERYTHING we can not know exactly what is going to happen if we did we wouldn't have the need for these debates. its sort of like identical twins every body thinks there eactly the same but there not from the second the cell splits in to two diffrent cells its all over there no longer idnentical ( true there very similar) because of radation and other things the cells mutate and how ever sutal there dna is still diffrent. I think you can make a very good guess but never any thing more than a guess.so pre determened destine is somthing that can change but not by much.

Its hard for me to explain i think that there is a predetermined set of goals for the human species that we set for our selfs.

like the plain lets say the wright brothers didn't build the first plain some one would have evenualy. and then on to the next step if america hadnt put a man on the moon some one would have evenual .