reduction division

reduction division

n (Biology) another name for meiosis

reduc′tion divi`sion

n. meiosis, esp. the first division in which the chromosome number is reduced. [1890–95]

Thesaurus

Noun

1.

reduction division - (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)meiosis, miosisgenetic science, genetics - the branch of biology that studies heredity and variation in organismsanaphase - the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindlecell division, cellular division - the process in reproduction and growth by which a cell divides to form daughter cellscytokinesis - organic process consisting of the division of the cytoplasm of a cell following karyokinesis bringing about the separation into two daughter cellskaryokinesis - organic process consisting of the division of the nucleus of a cell during mitosis or meiosismetaphase - the second stage of meiosisnondisjunction - meiosis in which there is a failure of paired homologous chromosomes to separate; results in an abnormal number of chromosomes in the daughter cellsprophase - the first stage of meiosissegregation - (genetics) the separation of paired alleles during meiosis so that members of each pair of alleles appear in different gametestelophase - the final stage of meiosis when the chromosomes move toward opposite ends of the nuclear spindle