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Chromosome 7

Chromosome 7 (human)
Human male karyotpe high resolution - Chromosome 7 cropped.png
Human chromosome 7 pair after G-banding.
One is from mother, one is from father.
Human male karyotpe high resolution - Chromosome 7.png
Chromosome 7 pair in human male karyogram.
Features
Length (bp) 159,345,973 bp
No. of genes 2,774
2,500
Type Autosome
Centromere position Submetacentric
Identifiers
RefSeq NC_000007
GenBank CM000669

Chromosome 7 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 7 spans about 159 millionbase pairs (the building material of DNA) and represents between 5 and 5.5 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 10%, with one estimate giving 2,774 genes, and the other estimate giving 2,500 genes.

Some of the genes found on human chromosome 7 are:

The following diseases are some of those related to genes on chromosome 7:

The following conditions are caused by changes in the structure or number of copies of chromosome 7:

While a few of the specific genes related to Williams syndrome have been identified, the relationship between most of the genes in the deleted region and the signs and symptoms of Williams syndrome is unknown.


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