Just one.
AnswerIt's like saying it took 1 soldier to kill Hitler in WW2.
True, only 1 soldier needs to pull the trigger and Hitler is dead.
But can 1 soldier alone conquer Normandy, rest of France, Germany, and breach Berlin?
Fertilization is a team effort. Individual sperm does fertilize the ovum, but it takes millions of them in order for that one lucky guy to even reach the ovum.
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Another term for fertilized ovum is a zygote.
An unfertilized egg is called an ovum. It is a mature female reproductive cell that has not been fertilized by a sperm cell.
If an ovum is not fertilized, it will travel through the fallopian tube to the uterus and eventually be expelled from the body during menstruation.
The female gamete is called an ovum or an egg. This is the cell that is fertilized by the male gamete known as the sperm.
When the ovum is fertilized by the sperm, it is called fertilization. This process involves the fusion of genetic material from the sperm and the egg to form a zygote, which will eventually develop into an embryo.