One because the sperm is one cell and the egg is one cell
Fertilization
Sperm cells may fail to unite with egg cells due to various reasons, including abnormalities in sperm motility or morphology, inadequate sperm quantity, structural issues in the female reproductive tract, or immunological factors rejecting foreign sperm. Additionally, environmental factors and lifestyle choices such as smoking or excessive alcohol consumption can also impact the success of fertilization.
Sperm cells need a tail to get food or energy while the egg isnt alive yet to need emergy......?
millions of sperms cell unite with egg cell.......okie??millions of sperm cell
The union is called fertilization and only one sperm can fertilize an egg.
The union is called fertilization and only one sperm can fertilize an egg.
The union is called fertilization and only one sperm can fertilize an egg.
There can be only one.
When sperm coming from the testis of a male person happens to enter the tube where the egg is , one sperm may unite with the egg.
Fertilization occurs when a sperm and egg unite.
Sperm is created in the testicles and transferred to a woman by the erect penis. "Male sex cells" are sperm cells, which unite with the woman's egg cells to cause pregnancy.
they jion the they come and the unite.