No, but the egg does.
the amount of chromosomes
cause mechanisms are so helpful and they're just so eggciting HA HA HA exciting...eggciting
no.
because a "wall" is put up when the sperm meets the egg. This prevents another sperm from meeting the egg.
Most likely if a man's penis has been in or around a vagina there is sperm inside.
Yes, it is the liquid (semen) which carries the sperm inside the female.
Yes it prevents sperm from entering the urethra because the tube connecting the testicles to the urethra are severed.
It prevents secondary fertilization by another sperm cell.
It prevents other sperm from binding to and entering the egg by modifying the zona pellucida. It forms a fertilization envelope
The outer layer of the egg changes to prevent more than one sperm from entering the egg.
The outer layer of the egg changes to prevent more than one sperm from entering the egg.
The outer layer of the egg changes to prevent more than one sperm from entering the egg.
I believe you are referring to a vasectomy. Men do not normally have to have this procedure done; it is usually a personal decision. The vasectomy prevents sperm from entering the semen. Therefore, it prevents unwanted pregnancies in women.
cause mechanisms are so helpful and they're just so eggciting HA HA HA exciting...eggciting
no.
it blocks sperm cells from entering and mixing with seminal fluids by severing and tying off a portion of the vas deferens,,allowing normal ejaculate and function but no sperm cells present to join with the ovum,,and preventing pregnancy
no
it stops the sperm from reaching the egg.