how many chromosomes are there in meiosis?
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The number of chromosomes is reduced from 46 (23 pairs) to 23 during the process of meiosis. Because they have only half the total chromosomes in a somatic cell, they are termed haploid (n). In a human egg or sperm, there are 23 chromosomes, one of which is an X or Y.
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Human cells normally contain 23 pairs of chromosomes, for a total of 46 chromosomes in each cell.
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Meiosis is a type of cell division that produces four cells, each with half of the number of chromosomes as the parent cell. ... Mitosis produces 2 identical cells, while meiosis produces 4.
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Summary: At the end of meiosis, 4 daughter cells are formed = eggs or sperm. Each contains half as many chromosomes as the parent cell (n); each cell is genetically different from its parents and from its "siblings".
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The final result of meiosis is four sex cells, each with half the number of chromosomes of the original parent cell. Each cell has only one chromosome from each original homologous pair. When male and female sex cells combine to form offspring, each sex cell contributes half the normal number of chromosomes.
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Summary: At the end of meiosis, 4 daughter cells are formed = eggs or sperm. Each contains half as many chromosomes as the parent cell (n); each cell is genetically different from its parents and from its "siblings". Fertilization of an egg by a sperm restores the chromosome number to 2n.
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Germ cells have only half the number of chromosomes as a diploid cell one of each pair. The number of chromosomes is reduced from 46 (23 pairs) to 23 during the process of meiosis.
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At the end of meiosis II, each cell (i.e., gamete) would have half the original number of chromosomes, that is, 15 chromosomes.
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Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. ... The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell.
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During the second stage of meiosis, the SISTER CHROMATIDS of each of the 23 chromosomes are pulled apart just as they are in mitosis, resulting in 4 cells that each have 1 copy of each of the 23 chromosomes (now unduplicated again) and are now officially haploid.
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In human reproduction, each cell contains 46 chromosomes in 23 pairs. Meiosis in the parents' gonads produces gametes that each contain only 23 chromosomes that are genetic recombinants of the DNA sequences contained in the parental chromosomes.
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Germ cells contain a complete set of 46 chromosomes (23 maternal chromosomes and 23 paternal chromosomes). By the end of meiosis, the resulting reproductive cells, or gametes, each have 23 genetically unique chromosomes. The overall process of meiosis produces four daughter cells from one single parent cell.
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At the end of mitosis, the two daughter cells will be exact copies of the original cell. Each daughter cell will have 30 chromosomes. At the end of meiosis II, each cell (i.e., gamete) would have half the original number of chromosomes, that is, 15 chromosomes.
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For example, in humans, somatic cells contain 46 chromosomes organized into 23 pairs. By contrast, gametes of diploid organisms contain only half as many chromosomes. In humans, this is 23 unpaired chromosomes.
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At the end of the first meiotic division, each secondary spermatocyte contains 23 chromosomes. Each of these chromosomes consists of paired chromatids. Each secondary spermatocyte completes the second meiotic division without the replication of DNA and produces 2 spermatids each containing 23 chromosomes.
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In meiosis 1, a diploid cell becomes 2 haploid (23 chromosomes) daughter cells, each chromosome has two chromatids. One cell becomes the secondary oocyte the other cell forms the first polar body.
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Germ cells have only half the number of chromosomes as a diploid cell   one of each pair. The number of chromosomes is reduced from 46 (23 pairs) to 23 during the process of meiosis. Because they have only half the total chromosomes in a somatic cell, they are termed haploid (n).