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*  Gene duplication
Polyploidy is common in plants, but historically has also occurred in animals, with two rounds of whole genome duplication in ... Polyploidy is also a well known source of speciation, as offspring, which have different numbers of chromosomes compared to ... Whole genome duplication, or polyploidy, is a product of nondisjunction during meiosis which results in additional copies of ... Common sources of gene duplications include ectopic recombination, retrotransposition event, aneuploidy, polyploidy, and ...
*  Genetics and the Origin of Species
The effects of polyploidy between two different species causes hybridization and even greater evolution. Natural selection in ... In Genetics and the Origin of Species, polyploidy is considered as a type of mutation. Polyploid cells have a chromosome number ... In the seventh chapter, Dobzhansky discusses polyploidy, a condition (common in plants) where an organism has more than two ... Woodhouse, Margaret; Diana Burkart-Waco; Luca Comai (2009). "Polyploidy". Nature Education. 2 (1): 1. ,access-date= requires , ...
*  Plant Genome Mapping Laboratory
Research topics include whole genome genetic mapping and physical mapping; polyploidy; ancient whole genome duplications; ...
*  Cnemidophorus
... see polyploidy). Over 30% of the Cnemidophorus genus are parthenogenic. The genus Cnemidophorus, sensu lato, contains the ...
*  Tulipeae
Polyploidy common. Tulipeae remained a core group of the Liliaceae, containing the type genus, Lilium for most of its taxonomic ...
*  Xenopus
The genus is also known for its polyploidy, with some species having up to 12 sets of chromosomes. All species of Xenopus have ... Schmid, M; Evans, BJ; Bogart, JP (2015). "Polyploidy in Amphibia". Cytogenet. Genome Res. 145 (3-4): 315-30. doi:10.1159/ ...
*  Caesalpinioideae
Doyle JJ (2012). "Polyploidy in legumes". In Soltis PS, Soltis DE. Polyploidy and genome evolution. Berlin, Heidelberg: ...
*  Ploidy
The extreme in polyploidy occurs in the fern genus Ophioglossum, the adder's-tongues, in which polyploidy results in chromosome ... Though polyploidy in humans is not viable, mixoploidy has been found in live adults and children. There are two types: diploid- ... Polyploidy occurs commonly in plants, but rarely in animals. Even in diploid organisms, many somatic cells are polyploid due to ... Polyploidy may be associated with increased vigor and adaptability. Compare the etymology of tuple, from the Latin for -fold. U ...
*  Brassicoraphanus
Polyploidy: incidence and evolution. Annual Review of Genetics 34: 401-437. Terasawa, Y. 1933. Crossing between Brassico- ...
*  Mitosis
Lee HO, Davidson JM, Duronio RJ (November 2009). "Endoreplication: polyploidy with purpose". Genes & Development. 23 (21): 2461 ...
*  Diploidization
Polyploidy is a product of whole genome duplication (WGD) and is followed by diploidization as a result of genome shock (1, 2, ... Polyploidy Paleopolyploidy Neofunctionalization 1. Conant, G.C., J. A. Birchler, and J. C. Pires Dosage, duplication, and ... Panopoulou Polyploidy and genome restructuring: a variety of outcomes Current Opinion in Genetics & Development 2009, 19: 600- ...
*  Endoreduplication
Polyploidy and aneuploidy are common phenomena in cancer cells. Given that oncogenesis and endoreplication likely involve ... Orr-Weaver, Terry L. "When bigger is better: the role of polyploidy in organogenesis". Trends in Genetics. 31 (6): 307-315. doi ... Ravid K; Lu J; Zimmet JM; Jones MR (2002). "Roads to polyploidy: The megakaryocyte example". Journal of Cell Physiology. 190: 7 ... This result suggests that endoreplication and polyploidy may be required for the maintenance of cell identity. Oogenesis and ...
*  Fragaria
However, they exhibit different polyploidy. Some species are diploid, having two sets of the seven chromosomes (14 chromosomes ...
*  Leslie D. Gottlieb
Gottlieb's further studies on polyploidy were concerned with the fates of those genes that were duplicated by an ... Soltis, Pamela S.; Liu, Xiaoxian; Marchant, D. Blane; Visger, Clayton J.; Soltis, Douglas E. (2014). "Polyploidy and novelty: ... Roose, M. L.; Gottlieb, L. D. (1976). "Genetic and Biochemical Consequences of Polyploidy in Tragopogon". Evolution. 30: 818- ... Gottlieb, L. D. (2003). "Plant polyploidy: gene expression and genetic redundancy". Heredity. 91: 91-92. Roose, M. L.; Gottlieb ...
*  Noscapine
At very high doses it may cause polyploidy in animal cells by interfering with the spindles; at low doses - those relevant to ... Mitchell ID, Carlton JB, Chan MY, Robinson A, Sunderland J (1991). "Noscapine-induced polyploidy in vitro". Mutagenesis Weekly ...
*  Plant evolution
Polyploidy is pervasive in plants and some estimates suggest that 30-80% of living plant species are polyploid, and many ... They are also capable of polyploidy - where more than two chromosome sets are inherited from the parents. This allows ... All eukaryotes probably have experienced a polyploidy event at some point in their evolutionary history. See paleopolyploidy. ... Otto SP (November 2007). "The evolutionary consequences of polyploidy". Cell. 131 (3): 452-62. doi:10.1016/j.cell.2007.10.022. ...
*  Saltation (biology)
Polyploidy (most common in plants but not unknown in animals) is considered a type of saltation. Polyploidy meets the basic ... Speciation, such as by polyploidy in plants, can sometimes be achieved in a single and in evolutionary terms sudden step. ... Polyploidy, karyotypic fission, symbiogenesis and lateral gene transfer are possible mechanisms for saltational speciation. The ... JSTOR 376878 France Dufresne, Paul D. N. Herbert (1994). "Hybridization and origins of polyploidy". Proceedings of the Royal ...
*  Janaki Ammal
Polyploidy in Solanum Melongena Linn. CYTOLOGIA. Vol. 5 (1933-1934) No. 4 P 453-459 Chromosome Studies in Nicandra Physaloïdes ... of plant speciation in the cold and humid northeast Himalayas as compared to the cold and dry northwest Himalayas to polyploidy ...
*  Harlan Lewis
Lewis, Harlan (1946). "Polyploidy in the Californian Delphiniums". American Journal of Botany. 33 (10): 817-844. Lewis, Harlan ... His PhD work in Delphinium was reported in an abstract in 1946, titled "Polyploidy in the Californian Delphiniums"; here he ... His PhD work in Delphinium was reported in an abstract in 1946, titled "Polyploidy in the Californian Delphiniums"; here he ...
*  Epulopiscium fishelsoni
Mendell JE, Clements KD, Choat JH, Angert ER (May 2008). "Extreme polyploidy in a large bacterium". Proc. Natl. Acad. Sci. U.S. ... Since bacteria rely on diffusion rather than cytoskeletal transport as in eukaryotes, this extreme polyploidy allows for the ...
*  Mountain viscacha rat
Svartman, Marta; Stone, Gary; Stanyon, Roscoe (2005). "Molecular cytogenetics discards polyploidy in mammals". Genomics. 85 (4 ...
*  Genetically modified fish
... transgenics and polyploidy". Comprehensive Reviews in Food Science and Food Safety. Blackwell Publishing Inc. 6 (1): 2-16. doi: ...
*  Paleopolyploidy
Polyploidy events will result in higher levels of heterozygosity, and, over time, can lead to an increase in the total number ... A polyploidy event 160 million years ago is theorized to have created the ancestral line that led to all modern flowering ... Following polyploidy events, there are several possible fates for duplicated genes; both copies may be retained as functional ... Tang, H.; Bowers, J. E.; Wang, X.; Paterson, A. H. (2009). "Angiosperm genome comparisons reveal early polyploidy in the ...
*  Hordeum brachyantherum
Polyploidy is very common in plants. Polyploidization plays an important role in plant evolution, it is commonly used in ...
*  Chondrosteidae
ISBN 0-12-547665-5. "The Chondrostei: History, Phylogeny, and Polyploidy". Palaeos. Retrieved March 16, 2012. Media related to ...