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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]
The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child. There are over 6,000 known genetic disorders in humans.
This list of sequenced animal genomes contains animal species for which complete genome sequences have been assembled, annotated and published. Substantially complete ...
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)
The ZW sex-determination system is a chromosomal system that determines the sex of offspring in birds, some fish and crustaceans such as the giant river prawn, some insects (including butterflies and moths), the schistosome family of flatworms, and some reptiles, e.g. majority of snakes, lacertid lizards and monitors, including Komodo dragons.
Example of a pedigree chart using Ahnentafel numbering. A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes [jargon] of a particular gene or organism and its ancestors from one generation to the next, [1] [2] [3] [unreliable source?] most commonly humans, show dogs, and race horses.
The basic number of chromosomes in the somatic cells of an individual or a species is called the somatic number and is designated 2n. In the germ-line (the sex cells) the chromosome number is n (humans: n = 23). [4] [5] p28 Thus, in humans 2n = 46. So, in normal diploid organisms, autosomal chromosomes are present in two copies.