Normal sperm count is required for normal fertilization. Normal sperm count is between 60 to 120 million sperms per ml of the ejaculate. When the sperm count is below the 20 million sperms per ml, the chances of getting the pregnancy are very less. Although only one sperm can fertilize the ovum, many more indirectly help it to fertilize the ovum, by liberating the necessary enzymes.
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Sperm have about three days to make it to the egg for fertilization before the egg passes out of the uterus and dies.
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One sperm, makes one child. Two make twins if both attack and dissolve the outer protein of the egg at about the same time. I would say: The chance of one sperm in the bathtub finding the one egg in your uterus is very low. Pregnancy usually requires sex with much agitation to get past the mucus plugs in the uterus and the deployment of at least 30 fighting sperm to get pregnant the first try. So one healthy sperm can do.
Only one sperm fertilises an egg in normal cases, abnormally there are chances of fertilization by 2 or more sperm cells but such a zygote usually does not survive.
Plants do not have sperm cells. In plants, fertilization occurs when a pollen grain (containing sperm cells) lands on the stigma of a flower and grows a pollen tube to deliver the sperm cells to the ovule.
Only one sperm will enter the egg. It is known as fertilisation.
It takes many sperm to break the outer barrier of the egg, but only one to fertilize it. When that sperm meets the egg, their genetic material (chromosomes) combine to form 46 and the fertilized egg, zygote, beings to rapidly divide into a blastocyst. After about two weeks it is called an embryo, and after eighth weeks a fetus. After about 40 weeks, it is born and is called an infant.
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Ok if you ejaculated in the shower then the sperm will die very quickly. The sperm only stay alive if ejaculated into the vagina during sexual intercourse. They start to die of in the race to inseminate the womans egg. Many millions of sperms are released in one go and only one or two makes it to the egg. That is if the woman is fertile at the time of this happening in the first place.
they're not mentioned individually. they are basically recognized as people who fought for womans rights. There are too many to name