{{Rsnum
|rsid=3940272
|Gene=HERC2
|Chromosome=15
|position=28223577
|Orientation=minus
|GMAF=0.4959
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|Gene_s=HERC2
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 0.0 | 25.0 | 75.0
| HCB | 0.0 | 0.0 | 0.0
| JPT | 0.0 | 0.0 | 0.0
| YRI | 0.0 | 0.0 | 0.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 0.0 | 0.0 | 0.0
| 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
}}
[[rs3940272]] is part of a haplotype spanning 166kB on chromosome 15, defined by 13 SNPs listed below, found in 97% of all Caucasians with blue eyes. In this haplotype, variations in [[rs1129038]] and [[rs12913832]] are relatively common in Caucasians though rare among other ethnic groups.{{PMID|18172690}}

The "h-1" haplotype found in homozygous state in 97% of individuals with blue [[eye color]] is composed as follows {{PMID|18172690}}:

[[rs4778241]](C)<br>
[[rs1129038]](A)<br>
[[rs12593929]](A)<br>
[[rs12913832]](G)<br>
[[rs7183877]](C)<br>
[[rs3935591]](G)<br>
[[rs7170852]](A)<br>
[[rs2238289]](T)<br>
[[rs3940272]](C)<br>
[[rs8028689]](T)<br>
[[rs2240203]](A)<br>
[[rs11631797]](G)<br>
[[rs916977]](G)<br>