Chromosome 18 (human) | |
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Pair of human chromosome 18 (after G-banding).
One is from mother, one is from father. |
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Chromosome 18 pair in human male karyogram.
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Features | |
Length (bp) | 80,373,285 bp |
No. of genes | 988 1,017 |
Type | Autosome |
Centromere position | Submetacentric |
Identifiers | |
RefSeq | NC_000018 |
GenBank | CM000680 |
Chromosome 18 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 18 spans about 80 million base pairs (the building material of DNA) and represents about 2.5 percent of the total DNA in cells.
Identifying genes on each chromosome is an active area of genetic research. Because researchers use different approaches to genome annotation their predictions of the number of genes on each chromosome varies. In January 2017, two estimates differed by only 3%, with one estimate giving 988 genes, and the other estimate giving 1,017 genes.
The following are some of the genes located in chromosome 18:
The following diseases are some of those related to genes on chromosome 18: