Polyploidy is a condition in which the cells of an organism have more than two paired sets of (homologous) chromosomes. Most species whose cells have nuclei...
82 KB (8,887 words) - 21:10, 25 October 2024
Ploidy (section Polyploidy)
all grasses are polyploid. Many animals are uniformly diploid, though polyploidy is common in invertebrates, reptiles, and amphibians. In some species...
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Rosa canina (redirect from Permanent odd polyploidy)
meiosis which is sometimes called permanent odd polyploidy, although it can also occur with even polyploidy (e.g. in tetraploids or hexaploids). Regardless...
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Plant evolution (section Polyploidy)
asexually much more easily than most animals. They are also capable of polyploidy – where more than two chromosome sets are inherited from the parents....
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investigate the origin of a peculiar genetic component in Sequoioideae, the polyploidy of Sequoia—and generated a notable exception that calls into question...
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Speciation (section Speciation via polyploidy)
ongoing discussion. Rapid sympatric speciation can take place through polyploidy, such as by doubling of chromosome number; the result is progeny which...
77 KB (8,192 words) - 07:41, 2 November 2024
Yan; Zhu, Xun-Ge; Gao, Li-Zhi (2023-03-13). "Genome size variation and polyploidy prevalence in the genus Eragrostis are associated with the global dispersal...
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lamarckiana, was central to early genetics research into mutationism and polyploidy. It is also more occasionally done in the livestock and pet trades; some...
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Spelt (section Hybridisation and polyploidy)
Spelt (Triticum spelta), also known as dinkel wheat or hulled wheat, is a species of wheat. It is a relict crop, eaten in Central Europe and northern Spain...
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He also researched and wrote widely on the role of hybridization and polyploidy in speciation and plant evolution; his work in this area has had a lasting...
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1094/MPMI-05-11-0114. PMID 21995796. Doyle JJ (2012). "Polyploidy in legumes". In Soltis PS, Soltis DE (eds.). Polyploidy and genome evolution. Berlin, Heidelberg:...
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gene transfer; new species can arise rapidly through hybridisation and polyploidy; and species may become extinct for a variety of reasons. Viruses are...
103 KB (10,535 words) - 00:42, 19 November 2024
the Rosaceae family was determined by chloroplast genomics in 2021. The polyploidy (number of sets of chromosomes) is shown as "2N" etc. by each species...
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lima bean. In wheat, domestication involved repeated hybridization and polyploidy. These steps are large and essentially instantaneous changes to the genome...
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absence of mitosis, which leads to elevated nuclear gene content and polyploidy. Endoreduplication can be understood simply as a variant form of the mitotic...
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Fragaria (section Polyploidy unknown)
They all have seven basic types of chromosomes, but exhibit different polyploidy. Some species are diploid, having two sets of the seven chromosomes (14...
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Gene duplication (section Polyploidy)
include ectopic recombination, retrotransposition event, aneuploidy, polyploidy, and replication slippage. Duplications arise from an event termed unequal...
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2 million prescriptions. Colchicine is used in plant breeding to induce polyploidy, in which the number of chromosomes in plant cells are doubled. This helps...
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1920s, that wheat was divided into 3 ploidy levels. As with many grasses, polyploidy is common in wheat. There are two wild diploid (non-polyploid) wheats...
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Taro (section Polyploidy breeding)
Taro (/ˈtɑːroʊ, ˈtær-/; Colocasia esculenta) is a root vegetable. It is the most widely cultivated species of several plants in the family Araceae that...
112 KB (12,533 words) - 03:06, 21 November 2024
Inbreeding depression (section Polyploidy)
themselves growing in a novel environment with no conspecifics present. Polyploidy (having more than two paired sets of each chromosome), which is prevalent...
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Sequencing of its genome showed that the evolution of avocados was shaped by polyploidy events and that commercial varieties have a hybrid origin. Avocado trees...
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Genetics and the Origin of Species (section Polyploidy)
of Fisher.: xxxi–xxxii In the seventh chapter, Dobzhansky discusses polyploidy, a condition (common in plants) where an organism has more than two complete...
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original on 30 July 2024. Retrieved 9 August 2024. Ranney, Thomas G. "Polyploidy: From Evolution to Landscape Plant Improvement". Proceedings of the 11th...
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inversion Chromosomal translocation Numerical alterations Aneuploidy Euploidy Polyploidy Paleopolyploidy Polyploidization Structures Telomere: Telomere-binding...
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makes resolution difficult. Markings like "6N" indicate the degree of polyploidy of each species: During 10,000 years of cultivation, numerous forms of...
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simple derivation above can be generalized for more than two alleles and polyploidy. Consider an extra allele frequency, r. The two-allele case is the binomial...
40 KB (5,964 words) - 10:34, 7 November 2024
the genus is 13, and most species are diploid (2n=26). However, natural polyploidy exists, particularly in Jasminum sambac (triploid 3n=39), Jasminum flexile...
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novel invasive plants that are better adapted to their surroundings. Polyploidy is also observed to be strongly selected for among some invasive populations...
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degree in 1952 for his thesis "Species Differentiation, and the Nature of Polyploidy in certain species of the genus Solanum – section Tuberarium". The following...
59 KB (5,809 words) - 06:25, 21 November 2024