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...
54 KB (6,129 words) - 11:23, 20 October 2024
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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investigate the origin of a peculiar genetic component in Sequoioideae, the polyploidy of Sequoia—and generated a notable exception that calls into question...
18 KB (1,731 words) - 18:53, 2 November 2024
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....
16 KB (1,784 words) - 09:44, 9 April 2024
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
lamarckiana, was central to early genetics research into mutationism and polyploidy. It is also more occasionally done in the livestock and pet trades; some...
79 KB (8,075 words) - 12:29, 14 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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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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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...
49 KB (4,357 words) - 16:35, 18 November 2024
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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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
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...
21 KB (2,130 words) - 09:37, 20 November 2024
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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absence of mitosis, which leads to elevated nuclear gene content and polyploidy. Endoreduplication can be understood simply as a variant form of the mitotic...
29 KB (2,989 words) - 21:10, 12 September 2024
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...
34 KB (3,683 words) - 02:08, 23 October 2024
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...
54 KB (5,645 words) - 06:00, 11 November 2024
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...
33 KB (2,910 words) - 22:57, 15 July 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...
24 KB (2,743 words) - 17:12, 4 November 2024
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
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...
83 KB (8,666 words) - 22:24, 19 November 2024
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...
101 KB (10,233 words) - 13:20, 16 November 2024
makes resolution difficult. Markings like "6N" indicate the degree of polyploidy of each species: During 10,000 years of cultivation, numerous forms of...
134 KB (14,024 words) - 16:34, 2 November 2024
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
inversion Chromosomal translocation Numerical alterations Aneuploidy Euploidy Polyploidy Paleopolyploidy Polyploidization Structures Telomere: Telomere-binding...
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the genus is 13, and most species are diploid (2n=26). However, natural polyploidy exists, particularly in Jasminum sambac (triploid 3n=39), Jasminum flexile...
23 KB (1,911 words) - 11:06, 21 October 2024
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