Allopolyploid
Allopolyploid
Allopolyploid (pronunciation: al-oh-pol-ee-ploid) is a term used in genetics to describe an organism that contains more than two paired (homologous) sets of chromosomes, which are derived from different species.
Etymology
The term "Allopolyploid" is derived from the Greek words 'allos' meaning 'other', 'poly' meaning 'many', and 'ploides' meaning 'forms'. It was first used in the early 20th century to describe organisms with multiple sets of chromosomes from different species.
Definition
An Allopolyploid is an organism that has two or more complete sets of chromosomes derived from different species. This is a result of species hybridization and chromosome doubling. Allopolyploidy is a common mode of speciation in plants, but can also be found in some animal species.
Related Terms
- Polyploid: An organism or cell having more than two paired sets of chromosomes.
- Hybridization: The process of combining different varieties of organisms to create a hybrid.
- Speciation: The formation of new and distinct species in the course of evolution.
- Chromosome: A thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
See Also
External links
- Medical encyclopedia article on Allopolyploid
- Wikipedia's article - Allopolyploid
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