the "son" from the car accident is a doctor
Try and solve these riddles!

A father and his son are in a car accident. The father dies instantly, and the son is taken to the nearest hospital. The doctor comes in and exlaims "I can't operate on this boy."
"Why not?" the nurse asks.
"Because he's my son," the doctor responds.
How is this possible?
I got that the doctor was a woman before I saw the answerer

after a flood, a man is found to have hung himself in a barn, there is nothing in the barn eccept water and the man is 10 feet in the air. how?>
the "father" is actualy a grand father and his "son" has a son