To get started, choose a genome from the list below and then select a chromosome.
hg19 (Feb. 2009) Length: 3.1 Gbp
hg18 (Mar. 2006) Length: 847 kbp
GRCH38 (December 2013) Length: 3.1 Gbp
GRCH38-masked Length: 3.1 Gbp
Source: Genome Reference Consortium
Length: 3,095,693,983 bp indexed. Showing 25 Chromosomes.
Source: International Human Genome Project
Length: 847,900 bp indexed. Showing 2 Chromosomes.
Length: 3,099,761,080 bp indexed. Showing 26 Chromosomes.