Perhaps it can also be influenced generationally. A person once afflicted and with certain personality or mental tendencies, but never treated, can also become one who perpetrates. I know of a case where that was so.
It does NOT mean that those who suffered will perpetrate...at least, not without the other conditions also being present. I also know of those who were perpetrated against who became healthy adults.
But it is striking that a boy who was 3 and perpetrated against by an older girl...not old enough to know better, mind you, continued to "have issues" with young girls the age of his perpetrator, all the way into his adulthood. (From the way it was told, I am certain the little girl was also being abused. I was not there, however.)