The answer to this question would be: True
Fraternal twins are made from 2 different eggs and fertilized by two different sperm. That makes them just like 2 siblings since the genetic in their egg and sperm is different, not same. This can happen if there is two egg released by the womb at the same time.
It must occur in the genetic material of a sex cell
They must be separated to the point that their genetic makeup changes so that they can no longer breed.