- The definition of meiosis is the process of cellular division.
An example of meiosis is when a chromosome reduces from a double cell to a single cell.
- the process of two consecutive nuclear divisions in the formation of germ cells in animals and of spores in most plants, by which the number of chromosomes ordinarily is reduced from the diploid, or double, number found in somatic cells to the haploid, or halved, number found in gametes and in spores
Origin of meiosisModern Latin ; from Classical Greek meiōsis ; from meioun, to make smaller ; from meiōn, less: see minor
- Genetics The process of cell division in sexually reproducing organisms that reduces the number of chromosomes from diploid to haploid, as in the production of gametes.
- Rhetorical understatement.
Origin of meiosisGreek meiōsis, diminution, from meioun, to diminish, from meiōn, less; see mei-2 in Indo-European roots.
top to bottom:In meiosis a parent cell replicates and recombines, divides once to create two daughter cells, then divides again creating four daughter cells, each of which has half the genetic content of the original parent cell.
(countable and uncountable, plural meioses)
Modern Latin, from Ancient Greek μείωσις (meiōsis, “a lessening”), from μειόω (meioō, “I lessen”), from μείων (meiōn, “less”).