1) Cell division 2) Cellular division 3) Expressive understatement 4) Miosis 5) Reduction division
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1) Litotes 2) Miosis 3) Nondisjunction
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The process in which a eukaryotic nucleus divides into nuclei whose ploidy is lower than that of the parent nucleus (typically, haploid nuclei being formed from diploid nuclei) and in which recombination usually occurs.
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• (n.) Diminution; a species of hyperbole, representing a thing as being less than it really is.
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(from the article `litotes`) ...and `no mean feat.` Litotes is a stylistic feature of Old English poetry and of the Icelandic sagas, and it is responsible for much of their ...
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http://www.britannica.com/eb/a-z/m/66
division of a germ cell involving two fissions of the nucleus and giving rise to four gametes, or sex cells, each possessing half the number of ... [17 related articles]
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A special form of cell division in which each daughter cell receives half the amount of DNA as the parent cell. Meiosis occurs during formation of egg and sperm cells in mammals.
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http://www.cancer.gov/dictionary?expand=M
A specialized type of cell division that occurs during the formation of gametes. Although meiosis may seem much more complicated than mitosis, it is really just two cell divisions in sequence. Each of these sequences maintains strong similarities to mitosis. Meiosis I refers to the first of the tw...
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A specialised form of nuclear division in which there two successive nuclear divisions (meiosis I and II) without any chromosome replication between them. Each division can be divided into 4 phases similar to those of mitosis pro, meta, ana and telophase). Meiosis reduces the starting number of 4n chromosomes in the parent cell to n in each of the ...
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http://www.encyclo.co.uk/local/20973
(mi-o´sis) the process of cell division by which reproductive cells (gametes) are formed. There are two successive divisions, meiosis I and meiosis II, in which four daughter cells are formed, each with the haploid number of chromosomes (23 in humans). As in mitosis, meiosis I and II are each divided into four phases: p...
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The cell division, peculiar to reproductive cells, which allows genetic material to divide in half. Each new cell will contain twenty-three chromosomes. The spermatids and eggs each contain twenty-three chromosomes so, when fertilisation takes place, the baby will have a normal complement of forty-six.
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The process of two consecutive cell divisions in the diploid progenitors of sex cells. Meiosis resul
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The process of division of sexual cells in which the number of chromosomes in each nucleus is reduced to half the normal number found in normal somatic cells. When two sexual cells fuse, each contributes its half of the chromosomes. The resulting embryo contains the full chromosome complement. Cells with half the chromosomes are called haploids, while those with the full complement are diploids....
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(Variation and inheritance) type of cell division which forms sex cells (gametes) each with half the usual number of chromosomes
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A specialized form of nuclear division in which there are two successive nuclear divisions (meiosis I and II) without any chromosome replication between them. Each division can be divided into 4 phases similar to those of mitosis (pro-, meta-, ana- and telophase). Meiosis reduces the starting number of 4n chromosomes in the parent cell to n in each of the 4 daughter cells. Each cell receives only one of each homologous chromosome pair, with the maternal and paternal chromosomes being distributed randomly between the cells. This is vital for the segregation of genes. During the prophase of meiosis I (classically divided into stages: Leptotene, Zygotene, Pachytene, Diplotene and Diakinesis), homologous chromosomes pair to form bivalents, thus allowing crossing-over, the physical exchange of chromatid segments. This results in the recombination of genes. Meiosis occurs during the formation of gametes in animals, which are thus haploid and fertilization gives a diploid egg. In plants meiosis leads to the formation of the spore by the sporophyte generation.
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Mei·o'sis (mi*ō'sĭs)
noun [ New Latin , from Greek
mei`wsis , from
meioy^n to make smaller, from
mei`wn . See
Meionite .]
(Rhet.) Diminution; a species of hyperbole, representing a thing as being less than it really is.
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http://www.encyclo.co.uk/webster/M/42
Meiosis: The process of germ cell formation. During meiosis, each chromosome pairs with the other chromosome in the pair and they exchange segments of genetic material. In both women and men, the autosomes (non-sex chromosomes) pair. In women, the X chromosomes pair; and in men, the X and Y chromosome pair. After the exchange of genetic material, t...
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(mi-o;sis) A specialized type of cell division by which gametes or haploid sex cells are formed.
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Process involved in the formation of gametes (reproductive cells), wherein cell division produces new cells (spermatozoa and ova) containing only one set of chromosomes.
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A two-stage type of cell division in sexually reproducing organisms. In meiosis, a diploid cell divides to produce four haploid cells, each with half the original chromosome content. For this reason, meiosis is often called a 'reduction division'. In organisms with a diploid life cycles, the products of meiosis are usually called gametes. In organi...
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http://www.ucmp.berkeley.edu/glossary/glossary_6.html
meiosis (s), meioses (pl) 1. That process in the division of germ cells by which the number of chromosomes is reduced from the double or diploid number typical of somatic cells to the halved or haploid number characteristic of gametes. 2. The nuclear changes which take place in the last two cell divisions in the formation of germ cells. T...
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miosis noun (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)
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In biology, a process of cell division in which the number of chromosomes in the cell is halved. It only occurs in eukaryotic cells, and is part of a life cycle that involves sexual reproduction because it allows the genes of two parents to be combined without the total number of chromosomes increasi...
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Cell division that results in four haploid daughter cells.
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the cell division process that eggs and sperm go through which halves the chromosome number from 46 to 23.
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https://www.stanfordchildrens.org/en/topic/default?id=glossary-medical-gene
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