Riddle - Can you solve it?

Question

Okay so whenever I ask people this riddle at home hardly no ever gets the correct answer. So let's see if you guys can, here it goes:

A father and son decide to go on a skiing trip

So off they go having an awesome time

On the third trip down the mountain

There's a sudden avalanche - it's massive

When the emergency services arrive they find the father dead at the scene

And the son seriously injured

The son is rushed to a hospital

The doctor comes into the room looks at the patient and say's 'I can't operate he's my son'. How?

Answer 1

doctors the mother

Answer 2

The doctor is his mom.

Answer 3

the dad going down the mountain was an evil robot and the doctor is his real father XD  

Answer 4

It's his mommy.

Answer 5

It doesn't say that the "son" is the son of the "father".

The two people that went skiing could be brothers.  One of which having a child, therefore making him a "father".  

The doctor was the father of the two brothers.

Answer 6

2 ways they guy was g*y and thats his other father or its his mom

Answer 7

the doctor is his mother.

Answer 8

doctor's the mom

Answer 9

And they said " Fancy calling your son how ".

Answer 10

its his mom :]

Answer 11

he has two fathers

Answer 12

The doctor is female, and she is the boys mother.

Answer 13

It's his mother. Obviously.

Answer 14

The doctor is his mother. It is easy to think doctors are men..

old habits I suppose

Answer 15

Because the mother had an affair andfell pregnant, but never told her family.

The natural father watched from afar as his son grew up without him.

The boy died on the operating table and the doctor committed suicide.

Duh !

It's the mother.

She's the doctor.

Answer 16

its his mumsy! Momma!

Answer 17

Duh the doctor is he's mother.

Answer 18

Thats his mother!

Answer 19

IT WASN'T HIS MOM....

It was his father the doc was a clone of his dad

(alternate answer}

:~}

Answer 20

the doctor is the kid's mom!

Answer 21

i was going to say you got to be jokin but you are arnt you

Answer 22

his mom is the dr

Answer 23

its his mother

duh!