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A sperm cell and an egg cell. They combine to make a baby with full chromosomes.
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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.
How many chromosomes are in cells formed during mitosis?
A cell undergoing mitosis has twice the usual number of chromosomes for that species. For example, human body cells have 46 chromosomes, but after DNA replication, which must occur before mitosis, a human body cell will have 92 chromosomes.
During normal mitotic cell division a parent cell having four chromosomes will produce two daughter cells containing how many chromosomes?
There will be 23 chromosomes in each daughter cell. This is half the usual amount. This is referred to as hapliod. Since meiosis only occurs to produce eggs and sperm it makes sense that each egg and sperm should contain only half the "usual" amount. Therefore you literally get half your genes from your mother (egg) and half your genes from your father (sperm). Once fused as a zygote (the cell from which the baby will be formed) now has the correct or "usual" number of chromosomes - 46 or 23 pairs.
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.
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.
What are the cells that are used for reproduction and that contain half the usual number of chromosomes?
What we call gametes (egg or sperm cells) have half the 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.
How many chromosomes are in cells formed during mitosis?
A cell undergoing mitosis has twice the usual number of chromosomes for that species. For example, human body cells have 46 chromosomes, but after DNA replication, which must occur before mitosis, a human body cell will have 92 chromosomes.
What is the process of cell division that results in the formation of cells with half the usual number of chromosomes?
The process of meiosis.
What is the process of division that results in the formation of cells with half the usual number of chromosomes?
The process of meiosis.
During normal mitotic cell division a parent cell having four chromosomes will produce two daughter cells containing how many chromosomes?
There will be 23 chromosomes in each daughter cell. This is half the usual amount. This is referred to as hapliod. Since meiosis only occurs to produce eggs and sperm it makes sense that each egg and sperm should contain only half the "usual" amount. Therefore you literally get half your genes from your mother (egg) and half your genes from your father (sperm). Once fused as a zygote (the cell from which the baby will be formed) now has the correct or "usual" number of chromosomes - 46 or 23 pairs.
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.
What is the chromosome number of the parent cell in mitosis?
28
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.
How many chromosomes are seen in a human sperm cell more than a human blood cell?
Red blood cells have no genetic information in them. White blood cells have the usual diploid number 46 (23 pairs). Sperm cells are haploid, so have 23 chromosomes.
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.
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
