Chromosome 20 (human)


In the human genome, chromosome 20 is one of the 23 chromosomes. It is a metacentric chromosome, found within group F of the human karyotype. As with all autosomes, somatic cells carry two copies of chromosome 20, while gametes carry only one copy.

Chromosome 20 is approximately 63 Mbp (million base pairs) in length, comprising ~2-2.5% of the haploid genome
Chromosome 20 has approximately 900 genes

Significant genes (and some related genetic diseases) on chromosome 20 include: