human
no. ghost are spirits and go to heaven or hell when we die.
the ghost possess you only because you disturb the ghost
Yes.
human sperm cannot get a cow pregnant. The only species humans can get pregnant with their sperm is another human.
No
No, human's can not get pregnant by anything else than another human.
A ghost cannot cause pregnancy as they have left the physical body, therefore such contact is impossible.
No, a human female cannot get pregnant by sucking the male's penis.
No.
like human that is pregnant.
It depends on your question.. If asking like a Half Ghost/Half Human Hybrid, then No, this isn't Danny Phantom. But, rarely ghosts can actually possess there body, dead people in a Human Body. Therefore, called Half Human, Half Ghost.