{{Rsnum
|rsid=7658293
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|Chromosome=4
|Orientation=plus
|Gene=GYPA
|position=144120554
|Gene_s=GYPA
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 26.2 | 53.8 | 20.0
| HCB | 31.8 | 34.1 | 34.1
| JPT | 38.6 | 34.1 | 27.3
| YRI | 31.7 | 49.2 | 19.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 31.8 | 34.1 | 34.1
| 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
}}[[rs7658293]] is a SNP on the [[GYPA]] gene known as 72T>G, which can be used to define the MN blood group.