The Truth About Sperm Survival: How Long Do Sperm Live?
The Case Against Abortion: Are Sperm and Egg Cells Alive?
Are Sperm and Egg Cells Alive?
The definition of life isn't straightforward, but sperm cells fit the bill. By Rhiannon Buck. Since it can have a life of its own outside the body, each sperm is really an independent single-celled organism — like a living amoeba, but differing in locomotion and lifestyle. Sign up to receive our newsletter!
A fundamental change occurs to the sperm and egg during fertilization. Are Sperm and Egg Cells Alive? Biologically speaking, this is an absurd and unfounded claim. In , the late American astronomer, Carl Sagan , made a philosophical defense of abortion in an article he wrote with his third wife, Ann Druyan, for Parade magazine. One of their key arguments hinges on the belief that there is no moral difference between killing an embryo and killing a sperm or egg cell.