Sperm create life
Sperm: 10 Interesting Facts Everyone Should Know
stem cell scientists create embryo without egg or sperm cloning | Science | News | MARMANOV.INFO
Is There an Age Limit to Male Fertility?
Description: They injected these spermatids into mouse eggs and produced pups. If abortion might kill a person, then abortion must not be done. Men can continue to be fertile throughout life. This doesn't mean men and women will soon be donating skin cells rather than sperm and egg at fertility clinics.