Chromosome 13 (human)

Chromosome 13 (human)

Pair of human chromosome 13 (after G-banding).
One is from mother, one is from father.

Chromosome 13 pair in human male karyogram.
Length (bp) 114,364,328 bp
Number of genes 993
Type Autosome
Centromere position Acrocentric[1]
RefSeq NC_000013
GenBank CM000675
Map of Chromosome 13
Ideogram of human chromosome 13. Mbp means mega base pair. See locus for other notation.

Chromosome 13 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 13 spans about 114 million base pairs (the building material of DNA) and represents between 3.5 and 4% of the total DNA in cells.

Identifying genes on each chromosome is an active area of genetic research. Because researchers use different approaches to predict the number of genes on each chromosome, the number of genes varies. Chromosome 13 likely contains between 300 and 700 genes.


The following are some of the genes located on chromosome 13:

Diseases and disorders

The following diseases and disorders are some of those related to genes on chromosome 13:

Chromosomal conditions

The following conditions are caused by changes in the structure or number of copies of chromosome 13:


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  • Kivela T, Tuppurainen K, Riikonen P, Vapalahti M (2003). "Retinoblastoma associated with chromosomal 13q14 deletion mosaicism". Ophthalmology. 110 (10): 1983–8. doi:10.1016/S0161-6420(03)00484-6. PMID 14522775. 
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  1. "Table 2.3: Human chromosome groups". Human Molecular Genetics (2nd ed.). Garland Science. 1999.
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