| Definitions |
One of the bodies in the cell nucleus that is the bearer of genes, has the form of a delicate chromatin filament during interphase, contracts to form a compact cylinder segmented into two arms by the centromere during metaphase and anaphase stages of cell division, and is capable of reproducing its physical and chemical structure through successive cell divisions.
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| ALT_DEFINITION |
A structural unit composed of a nucleic acid molecule which controls its own replication through the interaction of specific proteins at one or more origins of replication. [Sequence Ontology: SO:0000340 (SOWiki) http://www.sequenceontology.org/browser/current_svn/term/SO:0000340] EXAMPLE(S): Most humans have 23 pairs of chromosomes--22 pairs of numbered chromosomes, called autosomes, and one pair of sex chromosomes, X and Y. OTHER NAME(S): NOTE(S): This class can represent eukaryotic (e.g. human), mitochondrial, bacterial, and viral chromosomes, for example. Part of a cell that contains genetic information. Except for sperm and eggs, all human cells contain 46 chromosomes.
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| definition |
One of the bodies in the cell nucleus that is the bearer of genes, has the form of a delicate chromatin filament during interphase, contracts to form a compact cylinder segmented into two arms by the centromere during metaphase and anaphase stages of cell division, and is capable of reproducing its physical and chemical structure through successive cell divisions.
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