{{Rsnum
|rsid=12342421
|Gene=JAK2
|Chromosome=9
|position=5065750
|Orientation=plus
|GMAF=0.2401
|Gene_s=JAK2
|Assembly=GRCh37.p10
|GenomeBuild=37.5
|dbSNPBuild=138
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
}}
{{ population diversity
| geno1=(C;C)
| geno2=(C;G)
| geno3=(G;G)
| CEU | 6.5 | 40.3 | 53.2
| HCB | 6.8 | 29.5 | 63.6
| JPT | 2.3 | 48.8 | 48.8
| YRI | 5.1 | 16.9 | 78.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 6.8 | 29.5 | 63.6
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=23845539
|Title=The association of the JAK2 46/1 haplotype with non-splanchnic venous thrombosis
}}{{PMID Auto
|PMID=18006699
|Title=Host genetic variation contributes to phenotypic diversity in myeloproliferative disorders.
}}