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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.
Number of chromosomes Number of genes predicted Organization Year of completion Arabidopsis thaliana Ecotype:Columbia: Wild mustard Thale Cress Model plant 135 Mb [10] 5 25,498, [11] 27,400, [12] 31,670 (UniProt) Arabidopsis Genome Initiative [13] 2000 [11] Cyanidioschyzon merolae Strain:10D: Red algae: Simple eukaryote: 16.5 Mb 20 5,331 [14]
This was previously thought to be the highest chromosome number known for a mammal, [3] but it has since been found that the plains viscacha rat or red viscacha rat (Tympanoctomys barrerae) has 4x = 2n = 102. [4]
Aldabrachelys gigantea, Aldabra giant tortoise (2019 draft, [219] 2022 chromosome scale [220]) † Chelonoidis abingdonii, Pinta Island giant tortoise (2019 [219]) Chelonoidis phantasticus, Fernandina Island Galapagos giant tortoise (2022 [221])
It would also be helpful to list the specific species of hyena used for its chromosome count, as it is highly unlikely for every member of Hyaenidae to possess the same chromosome number, considering the great evolutionary divergence each species underwent. — Preceding unsigned comment added by 70.30.110.233 19:45, 19 July 2019 (UTC)
Ophioglossum has a high chromosome count in comparison to other species, with 120 or up to 720 chromosomes possible in intervals of 120 due to polyploidy (multiple possible copies of chromosomes). It has almost 1260 number of chromosomes in the meiocyte (spore mother cell) which undergo meiosis, the reduction division to form the spore with ...
Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs. The study of animals is called zoology .
This is an accepted version of this page This is the latest accepted revision, reviewed on 8 December 2024. DNA molecule containing genetic material of a cell This article is about the DNA molecule. For the genetic algorithm, see Chromosome (genetic algorithm). Chromosome (10 7 - 10 10 bp) DNA Gene (10 3 - 10 6 bp) Function A chromosome and its packaged long strand of DNA unraveled. The DNA's ...