If a dad and son go walking in the park and the son gets shot so they go to the hospital and the doctor asks who is he the father says he is my son the doctor says he is my son how is this possible?

It is actually 'a dad and his son are walking in the park the son gets shot so they go to the hospital the doctor asks 'where did you find him' the father says' he is my son' the doctor says 'he is my son' How is this possible?

Answer the doctor is his mom