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How has an egg cell adapted?
An egg cell is bigger then an sperm cell. It has chemicals around the outside to stop sperm from entering after one sperm has been allowed in.
Which is larger the egg cell or the sperm cell?
Egg cells are the biggest: you could only fit one on the head of a pin. But I'm not sure if a sperm cell is bigger than a red blood cell or vice versa.
How many sperm cells unite with the egg?
One because the sperm is one cell and the egg is one cell
Can two sperm cell unite with egg cell?
Two sperm, one egg - no. Two sperm, two eggs - yes.
What are the egg and the sperm cells called?
The cell formed after fertilization by sperm and egg is called a zygote. A zygote is a diploid cell, meaning a cell that has two sets of chromosomes (one from egg, one from sperm).
How many sperm cell and egg cell unite during fertilization?
Generally, one sperm cell and one egg cell unite for each offpring that is created (some cases, such as monozygotic/idential twins, are different). This means that if a human has one baby, it was one sperm and one egg. Or if a dog has 5 puppies, it was 5 egg cells and 5 sperm cells that united.
What happens when the sperm cell reaches the egg cell?
When the sperm reaches the egg, they fuse together forming one cell and multiplying creating what is called the fetus.
How many sperm cell unite with an egg cell?
There can be only one.
Can more than one sperm reach an egg?
No, generally only one sperm is able to fertilize an egg. Once a sperm penetrates the egg, the egg's protective layer prevents other sperm from entering. This ensures that only one set of genetic material combines with the egg to form a new individual.
What is a cell with one-half the regular number of a chromosome?
A sperm cell or an egg cell.
How many sperm cells pentrate the egg?
Typically, only one sperm cell successfully penetrates and fertilizes the egg during the process of fertilization. This single sperm cell then combines its genetic material with the egg to form a zygote, which will eventually develop into an embryo.
Why many sperm cell's needed to fertilize an egg cell?
Many sperm cells are needed to fertilize an egg cell because only one sperm cell can successfully penetrate the egg cell's protective layer and fuse with its nucleus to form a zygote. Competition among the sperm cells ensures that the strongest and healthiest sperm cell is most likely to successfully fertilize the egg.
