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Chromosome 22 is the second smallest human chromosome, spanning about 51 million DNA base pairs and representing between 1.5 and 2% of the total DNA in cells. In 1999, researchers working on the Human Genome Project announced they had determined the sequence of base pairs that make up this chromosome. Chromosome 22 was the first human ...
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The shorter arm of a chromosome is termed the p arm or p-arm, while the longer arm is the q arm or q-arm. The chromosomal locus of a typical gene, for example, might be written 3p22.1, where: [citation needed] 3 = chromosome 3; p = p-arm; 22 = region 2, band 2 (read as "two, two", not "twenty-two") 1 = sub-band 1
The C22orf25 gene is located on the long arm (q) of chromosome 22 in region 1, band 1, and sub-band 2 (22q11.21) starting at 20,008,631 base pairs and ending at 20,053,447 base pairs. [8]
Date: 22 April 2017: Source: Based on Ensembl's GRCh38.p10 ideogram.. Numerical raw data for human chromosome of assembly GRCh38.p3 (shown below) is available at NCBI's Genome Decoration Page.
The largest regions on each chromosome are the short arm p and the long arm q, separated by a narrow region near the center called the centromere. [1] Other specific regions have also been defined, some of which are similarly found on every chromosome, while others are only present in certain chromosomes. Named regions include: Arms (p and q ...
Various deletions affect the terminal region of the long arm of chromosome 22 (the paternal chromosome in 75% of cases, [citation needed]) from 22q13.3 to 22qter. Although the deletion is most typically a result of a de novo mutation, there is an inherited form resulting from familial chromosomal translocations involving the