Actually each person (even twins) have a different genetic composition and their own unique DNA, recombination means we have no way of predicting what we'll transfer, environment is definitely different for my nieces and nephews than for me despite my sister living close to where we both grew up so of course they won't be the same as her.Dirty Hipsters said:So lets say that you're right and genes, experience, and surroundings completely dictate every action a person makes.
In theory that would mean that since a parent has the same genes as their child, and shares their child's surroundings, and knows all of their child's experiences up to a certain age (lets say it's a stay at home parent with a single child, and the child doesn't go to school yet), then that parent should be able to predict that child's behavior with 100% accuracy.
Talk to any parent in the world and they will all tell you that children are unpredictable as hell.
Bam, free will.
OT: Genetic determinism is quite silly and is actually coming more from people who don't understand genetics. Some traits are relatively simple to determine, but we make a distinction between phenotypic effect and genetic effect. Now I am writing this on an iPad so I don't want to go into detail because typing is a pain, but physical traits are too complex to boil it down to simple genetics, and even simple genetics and simple physical traits linked to them is incredibly complex on its own. Using data we have about genes we can still be wrong in estimating how tall a person can be because the genetic expression depends on too many factors.
Applying genetics in the question of free will is utterly pointless because genes depend on too many factors to be deterministic. Maybe we have free will, maybe we don't, we have the ability to define free will and definitions are pointless because they're applied to pretty narrow situations. We can define free will in a way to make it something we can never have. Free will? Human concept of no real use.