Yes. Egg cells and sperm cells are like body cells in their structure, but there is one major difference: eggs and sperm cells have a different number of chromosomes than body cells.
In humans, each body cell (otherwise known as a somatic cell) contains 46 chromosomes inside its nucleus. These chromosomes carry the cell's genetic information. When somatic cells reproduce through cell division, they must copy their chromosomes so that each of the two resulting cells (or daughter cells) receives 46 chromosomes. We say that the somatic cells are diploid cells as they have "two sets" of chromosomes, or 2n chromosomes: in the case of humans, n = 23, so 2n = 46.
However, in sperm and egg cells, there are only nchromosomes, meaning that they are haploid cells: for humans, this means that each sperm and egg cell contains 23 chromosomes. The reason that these reproductive cells (or gametes) contain half the number of chromosomes of a body cell is because an egg and a sperm cell will fuse to form a zygote, the first stage of a developing child. With the egg and sperm cells each donating 23 chromosomes to the child, the child will have the 46 chromosomes it needs.
The fact that the sperm of the father and the egg of the mother each contributes half of the required number of chromosomes ensures that the offspring will be "genetically diverse."
Gamates are know as the sperm and egg or "sex cells". These cells are the only cells in the body that undergo meiosis, not mitosis.
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egg cells and sperm cells
Gametes are sperm and egg cells. When the sperm fertilizes the egg, their genetic material is joined to form a new cell called a zygote. Because both the sperm and egg cells have half the number of chromosomes as in normal body cells, the zygote will have the full number of chromosomes as in normal body cells.
Half the number that are in the adults normal body cells
There are lot of sperm cells i a male's body but only 1 can fertilize it. :)
Egg cells are also known as oocytes. Egg cells and sperm cells are gametes, and they have half the number of chromosomes that are in the other cells in the body.
All human gametes (sex cells), which means egg cells and sperm cells, have 23 chromosomes. When the sperm fertilises the egg, the 23 chromosomes from the egg cell and the 23 chromosomes from the sperm cell join to make cells with 46 chromosomes. In summary, all cells in the human body have 46 chromosomes, except sperm cells and egg cells, which have 23.
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.
Human sperm and egg cells are called haploid. That means they have half the number of regular body, or diploid, cells. Since normal cells in the human body have 46 chromosomes, sex cells have half that number, or 23 each. When they combine they make a fertilized cell with 46, just like the parents.
When the sperm penetrate the egg cell fertilization occurs.
all cells of body except egg and sperm have 23 pairs of chromosomes i.e. 46...but egg and sperm have 23 chromosomes