For Meiosis we have terms and definitions in 16 topics. The topics are Anthromorphemics, Anthropology, Bioinformatics, Cancer, Dna, Evolution, Genetics, Genetics and Genealogy, Genome, Horse Health, Huntingtons Disease, Medical, Microbiology, Mold, Science and Sex.

Meiosis (Anthromorphemics)

The form of cell division occurring in specialized tissues in the testes and ovary that leads to the production of gametes.

Meiosis (Anthropology)

The form of cell division occurring in specialized tissues in the testes and ovary that leads to the production of gametes.

Meiosis (Bioinformatics)

A process within the cell nucleus that results in the reduction of the chromosome number from diploid (two copies of each chromosome) to haploid (a single copy) through two reductive divisions in germ cells.

Meiosis (Cancer)

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.

Meiosis (Dna)

The process of cell division in which a single cell produces four daughter cells each of which contains half of the number of chromosomes of the parent cell. For example, a single diploid spermatogonium (primordial germ cell) will divide meiotically to produce 4 haploid sperm cells.

Meiosis (Evolution)

A special kind of cell division that occurs during the reproduction of diploid organisms to produce the gametes. The double set of genes and chromosomes of the normal diploid cells is reduced during meiosis to a single haploid set in the gametes. Crossing-over and therefore recombination occur during a phase of meiosis.

Meiosis (Genetics)

The production of se x cells, which are not genetically identical, through a series of cell divisions. Compare to mitosis.

Meiosis (Genetics and Genealogy)

The process of cell division which creates sex cells. The process of two consecutive cell divisions in the diploid (46 chromosome) progenitors of sex cells. Meiosis results in four rather than two daughter cells, each with a haploid (23 chromosomes) set of chromosomes which have been selected randomly from the parent diploid and which set of autosome chromosomes in the haploid are not exactly the same as any in the parent diploid set of chromosomes due to cross-over effects during synapsis in the early part of the meiosis process. A notable exception to this cross-over effect during meosis is the Y chromosome. Because of its very different size and different genetic content and being non-homologous with its partner X chromosome in the gender set of chromosomes, cross-over effects in the coding regions of the Y chromosome do not occur and it is passed virtually unchanged from a male parent cell to its male producing sex cells, i.e., the sperm cells bearing a Y chromosome. Thus the Y chromosome is passed from father to son virtually unchanged. Compare to Mitosis. See Law of Independent Assortment and Y Chromosome.

Meiosis (Genome)

The process of two consecutive cell divisions in the diploid progenitors of sex cells. Meiosis results in four rather than two daughter cells, each with a haploid set of chromosomes.
See also: mitosis

Meiosis (Horse Health)

Process involved in the formation of gametes (reproductive cells), wherein cell division produces new cells (spermatozoa and ova) containing only one set of chromosomes.

Meiosis (Huntingtons Disease)

A reproductive process involving two successive divisions of a cell, resulting in four daughter cells. Unlike what occurs in mitosis, the daughter cells produced in meiosis are not identical to each other. Meiosis is the process by which sperm and egg cells are made.

Meiosis (Medical)

The type of cell division that occurs only in the ovaries and testicles, producing cells with half the genes of the original cell; these cells then form eggs and sperm

Meiosis (Microbiology)

The process of two consecutive cell divisions in the diploid progenitors of sex cells. Meiosis results in four rather than two daughter cells, each with a haploid set (1n) of chromosomes.

Meiosis (Mold)

A series of two nuclear divisions in which the number of chromosomes are reduced by one-half (from diploid to haploid); the last phase of sexual reproduction.

Meiosis (Science)

Division of the cell nucleus that reduces the chromosome number of cells by one half; produces gametes in animals

Meiosis (Sex)

A form of cell division in which the cell's nucleus undergoes two consecutive divisions.

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