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because a "wall" is put up when the sperm meets the egg. This prevents another sperm from meeting the egg.

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15y ago

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What happen 2 sperm had entered the egg?

An egg only allows one sperm to enter and is fertilized by that one sperm: 2 cannot enter.


How many sperm cells fertilized the egg cell?

one


How many egg cell will meet sperm cell?

To create an embryo ONE egg and ONE sperm must meet. Males usually produce millions of sperm Females usually produce just a small number of eggs (depends on the animal) Once a sperm has fertilized the egg all the rest of the sperm are prevented from entering the newly created embryo.


What is the word that has the definition of one egg fertilized by one sperm divides?

Zygote


Does the egg select the sperm or does an egg always become fertilized in the presence of sperm?

The sperm has to fertilise the egg. sometimes one gets through, others they don't. Obviously if the sperm gets through then the woman is pregnant


When will one get pregnant after the sperm is inside the vagina?

If conditions are right that is if she has ovualted and an egg is there to be fertilized


How are female eggs fertilized by a male sperm?

The egg is usually fertilized in the fallopian tube or just before entering the fallopian tube.


How are identical twins created?

One sperm fertilizes one egg, but before the fertilized egg can become a fetus, the egg splits and becomes two eggs made from the same egg and sperm - therefore becoming two babies.


How many sperm cells fertilized the egg cells?

one


What would happen if more than one sperm were able to fertilize an egg?

In humans, only one sperm can fertilize an egg to form a zygote. If more than one sperm were able to fertilize an egg, it would result in an abnormal number of chromosomes in the zygote, leading to developmental issues and likely miscarriage. This phenomenon is known as polyspermy and is usually prevented by mechanisms in the egg that block additional sperm from entering once one has already fertilized it.


What prevents multiple sperm from fertilizing one egg during the process of fertilization?

During fertilization, the egg releases chemicals that prevent other sperm from entering once one sperm has successfully fertilized it. This process is called the zona reaction, which helps ensure that only one sperm can fertilize the egg.


What is the number of nuclei in a zygote?

a zygote is a fertilized egg. one that has formed by the fusion of an egg cell and a sperm cell