Search results
Results from the WOW.Com Content Network
Polyploidy, the condition in which a normally diploid cell or organism acquires one or more additional sets of chromosomes. Polyploidy arises as the result of total nondisjunction of chromosomes during mitosis or meiosis. Learn more about polyploidy in this article.
Cells (and their owners) are polyploid if they contain more than two haploid (n) sets of chromosomes; that is, their chromosome number is some multiple of n greater than the 2n content of diploid cells. For example, triploid (3n) and tetraploid cell (4n) cells are polyploid.
Polyploidy is the heritable condition of possessing more than two complete sets of chromosomes. Polyploids are common among plants, as well as among certain groups of fish...
Polyploidy (whole-genome duplication; WGD, see glossary), defined as having three or more sets of chromosomes, influences organisms in all clades of eukaryotic life and all levels of biological organization, from genes to cells to entire ecosystems (Fig. 1).
Polyploidy is the result of whole-genome duplication during the evolution of species. It may occur due to abnormal cell division, either during mitosis, or more commonly from the failure of chromosomes to separate during meiosis or from the fertilization of an egg by more than one sperm. [1]
Polyploidy, involving the presence of multiple copies of identical or similar chromosome sets in one species, is an important feature of species evolution in the plant, animal, and fungal kingdoms. Polyploidy is widely considered as an enabling force in evolution.
Polyploidy is defined as an increase in genome DNA content. Throughout the plant and animal kingdoms specific cell types become polyploid as part of their differentiation programs.
Polyploid plants tend to be larger and healthier than their diploid counterparts. The strawberries sold in grocery stores come from octoploid (8x) strains and are much larger than the strawberries formed by wild diploid strains. An example is bread wheat which is a hexaploid (6x) strain.
Polyploidy refers to a phenomenon in which plants have multiple sets of chromosomes instead of the usual two sets. It is considered a major driver of evolutionary change in plants and can be observed in urban landscapes, providing valuable insights into the ecology and evolution of polyploid plants.
Polyploidy [whole-genome duplication (WGD); see Glossary], defined as having three or more sets of chromosomes, influences organisms in all clades of eukaryotic life and all levels of biological organization, from genes to cells to entire ecosystems (Figure 1).