To what extent are your adult physical features pre determined vs random?

Question

As in, is it always somehow within one’s genetic code to “stop” growing at a certain height, hand size, etc. or do these traits self-regulate as one gets older? Do we even know the answer to this?

In: Biology

Answer 1

Both. Generally your genetics sets sort of an upper bound (like, under ideal conditions you would max at out 6ft), but then environmental stuff like poor diet can hold you back from that.