sentences:  Although epigenesis appears to be an obvious fact in today's genetic age, historically, creationist theories of life's origins hindered its acceptance.However, during the late 18th century an extended and controversial debate among biologists finally led epigenesis to eclipse the long-established preformationist view.The embryologist Caspar Friedrich Wolff refuted preformationism in 1759 in favor of epigenesis, but this did not put an end to preformationism.