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How does the number of chromosomes at the end of meiosis compare to the number at the beginning?
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∙ 12y ago
It's homicide.
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∙ 12y ago
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What process takes meiosis this reduced set number and returns it to match the original set number of the parent cell?
Fertilization of the egg by the sperm. The resulting cell is a zygote, which contains the same number of chromosomes as a normal body cell for that species. For example, in humans, sperm cells have 1 set of 23 chromosomes, as do egg cells. So when they unite in fertilization, the zygote will have 2 sets of 23 chromosomes, for a total of 46.
What are the 3 ways to compare plane figures?
Compare the number of sides and angles. Compare the types of angles. Compare the number of parallel lines.
What is the adjective referring to the number of chromosomes in a gamete?
Diploids and Haploids. Haploids have one set of chromosomes (Gametes). Diploids have two sets of chromosomes (Zygotes).
What is the significance of the number 46 concerning DNA?
Chromosomes are comprised of DNA. Chromosomes are located inside the nucleus of every cell. There are exactly 46 chromosomes in every one of your body's cells.
Does the number line have a beginning?
No. However, it does have to have a beginning number. beside the beginning number, on the actual line, you would put an arrow on the end of it, because numbers are infinite in both directions.
How does the number of chromosomes in metaphase of mitosis compare to the number of duplicated chromosomes in metaphase 2 of meiosis?
In metaphase of mitosis, the number of chromosomes is equal to the number of duplicated chromosomes. However, in metaphase 2 of meiosis, the number of chromosomes is half that of the duplicated chromosomes, since meiosis involves two rounds of cell division to produce haploid cells.
How are the cells in the beginning of meiosis different from the cells at the end of meiosis?
At the beginning of meiosis, cells are diploid (2n), meaning they have the full complement of chromosomes. At the end of meiosis, cells are haploid (n), which means they have half the number of chromosomes. This reduction in chromosome number is due to the separation of homologous chromosomes during meiosis I and sister chromatids during meiosis II.
If a cell has 46 chromosomes a the beginning of meiosis then at anaphase 2 there would be a total number of how many chromosomes?
At the beginning of meiosis, a cell with 46 chromosomes would undergo DNA replication to end up with 92 chromatids. During anaphase 2 of meiosis, these chromatids would separate, resulting in daughter cells with 46 chromosomes each, the same as the original cell before replication.
How do the product's of meiosis compare to the original cell?
Meiosis results in 4 haploid daughter cells with only half the number of chromosomes of the original cell.
Does meiosis double the parental chromosomes number?
Meiosis 1
How many chromosomes are present in the cell after meiosis II?
After meiosis II, each cell will have a haploid number of chromosomes, which means they will have half the number of chromosomes compared to the original cell before meiosis.
How many chromosomes would a cell have during metaphase 1 of meiosis if it has 12 chromosomes during interphase?
During metaphase I of meiosis, a cell would have 24 chromosomes if it had 12 chromosomes during interphase. This is because the chromosomes replicate during interphase, resulting in a diploid number that is double the original number.
Does metaphase of mitosis meiosis 1 or meiosis 2 have the haploid number of chromosomes at the equator of the spindle?
Metaphase of meiosis 2 has the haploid number of chromosomes at the equator of the spindle. In meiosis 1, during metaphase, there are still pairs of homologous chromosomes lined up at the equator.
How many copies of chromosomes does each cell have at the end of meiosis 1?
At the end of meiosis I, each cell has half the number of chromosome copies as it did at the beginning. This means that each cell will have a haploid number of chromosomes, which is typically half of the original diploid number.
How many chromosomes does each cell contain at the end of meiosis 2?
each cell has 4 chromosomes after meosis It depends on what organism. if each cell has42 chromosomes then the cells after mitosis have 42 in meosis they end up having half of 42 and have four cells because the do mitosis 2
How do the chromosomes get to the stage of meiosis prophase?
During meiosis prophase, chromosomes condense and become visible as pairs of homologous chromosomes. This process occurs after DNA replication in the S phase of interphase. The condensed chromosomes then pair up with their homologues and undergo genetic recombination before entering the first stage of meiosis.
How many chromosomes do the daughter cells os meiosis 1 contain?
The daughter cells of meiosis I contain the haploid number of chromosomes, which is half the number of chromosomes found in the parent cell. In humans, each daughter cell of meiosis I contains 23 chromosomes.
