What’s sperm? Why do men have sperm? Questions › Category: Questions › What’s sperm? Why do men have sperm? 0 Vote Up Vote Down wyattg asked 6 years ago Sperm is the male sex cell. Men have sperm and women have eggs. Both the sperm and the egg carry half of the DNA of the person that it came from. Guys have sperm to fertilize the girl’s eggs and create new life. Please login or Register to submit your answer Username or Email Address Password Remember Me