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The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms. This number, along with the visual appearance of the chromosome, is known as the karyotype , [ 1 ] [ 2 ] [ 3 ] and can be found by looking at the chromosomes through a microscope .
The first complete plant genome assembly (also the first plant genome published) that used this type of technique was Arabidopsis thaliana, in 2000. [12] Different large-insert libraries like BACs, P1 artificial chromosomes (PAC), yeast artificial chromosome (YAC) and transformation-competent artificial chromosomes (TACs) were combined to ...
Crop plant 403.9 Mb 23,847 2016 [40] 16 large scaffolds from 16.9 to 38.1 Mb. N50 and L50 of the assembly was 24.4 Mb and 7, respectively. [41] Carnegiea gigantea: Cactaceae: Wild plant 1.40 Gb 28,292 2017 [42] 57,409 scaffolds, scaffold N50 of 61.5 kb [42] Nepenthes mirabilis: Nepenthes: Carnivorous Plant 691 Mb 42,961 2023 [43]
Two examples of natural autopolyploids are the piggyback plant, Tolmiea menzisii [19] and the white sturgeon, Acipenser transmontanum. [20] Most instances of autopolyploidy result from the fusion of unreduced (2 n ) gametes, which results in either triploid ( n + 2 n = 3 n ) or tetraploid (2 n + 2 n = 4 n ) offspring. [ 21 ]
An image of multiple chromosomes, taken from many cells. Plant genetics is the study of genes, genetic variation, and heredity specifically in plants. [1] [2] It is generally considered a field of biology and botany, but intersects frequently with many other life sciences and is strongly linked with the study of information systems.
In plants, hybridization mostly generates speciation events, [5] and commonly produces polyploid species. Factors like polyploidy events also plays significant factors for understanding the hybridization events (Example: an F1 hybrid of Jatropha curcas x Ricinus communis ), [ 6 ] because these polyploids tend to have an advantage for the early ...
This is a list of plant hybrids created intentionally or by chance and exploited commercially in agriculture or horticulture. The hybridization event mechanism is documented where known, along with the authorities who described it.
The most common form of plant reproduction used by people is seeds, but a number of asexual methods are used which are usually enhancements of natural processes, including: cutting, grafting, budding, layering, division, sectioning of rhizomes, roots, tubers, bulbs, stolons, tillers, etc., and artificial propagation by laboratory tissue cloning.