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So that the number of chromossomes of of the next generation don't change. In some living thins they do changed based on generation, such as plants, but in animals that reproduce sexually meiosis has to occur to keep the number of chromosomes of a species constant.

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What are the cells that are used for reproduction and that contain half the usual number of chromosomes?

Gametes are cells used for reproduction that contain half the usual number of chromosomes. In humans, gametes are sperm cells in males and egg cells in females. During fertilization, a sperm cell and an egg cell combine to form a zygote with the full complement of chromosomes.


Where do you usually find haploid numbers of chromosomes?

Haploid numbers of chromosomes are typically found in the gametes (sperm and egg cells) of an organism. These cells contain half the usual number of chromosomes, which is important for maintaining the correct chromosome number in the offspring after fertilization.


What is an organism with one set of chromosomes?

An organism with one set of chromosomes is called haploid. Haploid organisms have half the usual number of chromosomes, meaning they have only one set of chromosomes instead of the usual two sets (diploid). Examples of haploid organisms include certain fungi, algae, and gametes (sperm and egg cells) in animals.


How many chromosos are in each cell after meiosis?

After meiosis is complete, each resulting cell typically contains half the number of chromosomes as the original cell. This means that in humans, each cell after meiosis would have 23 chromosomes, as opposed to the usual 46 chromosomes in a somatic cell.


How many chromosome are in a egg?

Eggs and sperms are gametes. They are haploid. Haploid means that they have half the regular number of chromosomes. This works really well because an egg and a sperm join together to begin a new organism which will then have the entire diploid number of chromosomes. A human body cell would have 46 chromosomes. Since a human egg cell is a reproductive cell (sex cell), it would contain only half the number of chromosomes as a body cell. Thus, a human egg cell would have 23 chromosomes. A sex cell has half the number of chromosomes for a good reason. When two sex cells reproduce, they combine to form double the number of chromosomes. So when two cells with 23 chromosomes each reproduce, the offspring would have 46 chromosomes. To keep humans at 46 chromosomes per cell, sex cells are produced through meiosis, which is a process that creates cells with half the number of chromosomes.

Related Questions

What are the cells that are used for reproduction and that contain half the usual number of chromosomes?

Gametes are cells used for reproduction that contain half the usual number of chromosomes. In humans, gametes are sperm cells in males and egg cells in females. During fertilization, a sperm cell and an egg cell combine to form a zygote with the full complement of chromosomes.


How many chromosomes do gametes have?

Gametes, such as sperm and egg cells in humans, contain half the number of chromosomes compared to other cells in the body. This means that in humans, gametes have 23 chromosomes each, instead of the usual 46 chromosomes found in most body cells.


Where do you usually find haploid numbers of chromosomes?

Haploid numbers of chromosomes are typically found in the gametes (sperm and egg cells) of an organism. These cells contain half the usual number of chromosomes, which is important for maintaining the correct chromosome number in the offspring after fertilization.


What is an organism with one set of chromosomes?

An organism with one set of chromosomes is called haploid. Haploid organisms have half the usual number of chromosomes, meaning they have only one set of chromosomes instead of the usual two sets (diploid). Examples of haploid organisms include certain fungi, algae, and gametes (sperm and egg cells) in animals.


What is the diploid number of the fruit fly?

a fruit fly has 4 pairs of chromosomes in every cell apart from gametes and usual exceptions.. red blood cells (no nucleus) etc


How do gametes differ from their parent cell?

Gametes are sex cells - sperm and egg. Other cells are somatic cells - regular body and organ cells. Also, gametes have half the number of chromosomes as somatic cells do. This is because, when the zygote is formed (sperm and egg form together) they take their chromosomes together to make the number of chromosomes a somatic cell has.


How many chromosos are in each cell after meiosis?

After meiosis is complete, each resulting cell typically contains half the number of chromosomes as the original cell. This means that in humans, each cell after meiosis would have 23 chromosomes, as opposed to the usual 46 chromosomes in a somatic cell.


Why do gametes only have half the usual number of chromosomes?

the division of sex cells occur in a different way from the cells of the other body part....... they undergo reduction division and there are stages of it.. the gametes have half the number of chromosomes (haploid) so that on fertilization it forms a correct human cell for further division and formation of bolus


Cells that contain half the usual number of chromosomes are?

haploid cells, which are produced through a process called meiosis. Haploid cells have a single set of chromosomes and are typically found in gametes (sperm and egg cells) in sexually reproducing organisms. When two haploid cells combine during fertilization, they form a diploid zygote with the full complement of chromosomes.


An organism that reproduces sexually has a diploid number of 30 How many chromosomes will a gamete of this organism have?

A gamete has half the diploid number of chromosomes, so in this case, the gamete would have 15 chromosomes.


What are the haploid number of the fruit fly?

The haploid number of chromosomes in a fruit fly is 4. This means that fruit flies have 4 chromosomes in their haploid cells, which are cells with half the usual number of chromosomes.


What is the usual number of chromosomes within a cell?

Cells are usually diploid and contain two of each chromosome. A normal human cell contains 46 chromosomes, however this number is dependent on the type of organism. For example, dogs have 78 chromosomes and cats have 38 chromosomes.