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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
If a cell has pairs of homologous chromosomes, what process is likely occurring within the cell?
If a cell has pairs of homologous chromosomes, the process likely occurring within the cell is 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.
What is hetroploidy?
Heteroploidy refers to the presence of an abnormal number of complete sets of chromosomes in a cell other than the usual two sets of chromosomes in diploid organisms. It can lead to genetic disorders and abnormalities in cell function. Examples include polyploidy (extra complete sets of chromosomes) and aneuploidy (loss or gain of individual chromosomes).
The number of chromosomes in a females egg cell is?
The number of chromosomes in a female egg cell is 23. This is half the number of chromosomes found in a normal cell, as during fertilization, the egg cell will combine with a sperm cell which also carries 23 chromosomes to form a complete set of 46 chromosomes in the resulting embryo.
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.
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.
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 cells are in a karotype?
A karyotype is the number and type of chromosomes within the nucleus of a cell of a species. Given that definition, the karyotype is within the cell. There can be no cells within the karyotype.
Why is it important that gametes have half the usual number of chromosomes?
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.
What is the total number of chromosomes in a cell that contains chromosomes in homologous pairs?
The total number of chromosomes in a cell with homologous pairs is twice the number of unique chromosomes. For humans, the total number of chromosomes in a cell with homologous pairs is 46.
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
If a cell has pairs of homologous chromosomes, what process is likely occurring within the cell?
If a cell has pairs of homologous chromosomes, the process likely occurring within the cell is 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 chromosomes are in a daughter cell After mitosis in a human cell?
Mitosis always yields the same number of chromosomes as the parent cell. In humans, 23.
What is the chromosome number of the parent cell in mitosis?
28
