{{Rsnum
|rsid=1001761
|Gene=TYMS
|Chromosome=18
|position=662103
|Orientation=plus
|GMAF=0.4059
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=TYMS
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 30.1 | 51.3 | 18.6
| HCB | 8.0 | 39.4 | 52.6
| JPT | 15.0 | 42.5 | 42.5
| YRI | 2.7 | 31.3 | 66.0
| ASW | 3.5 | 45.6 | 50.9
| CHB | 8.0 | 39.4 | 52.6
| CHD | 8.3 | 43.1 | 48.6
| GIH | 15.0 | 59.0 | 26.0
| LWK | 3.6 | 25.5 | 70.9
| MEX | 32.8 | 50.0 | 17.2
| MKK | 2.6 | 26.3 | 71.2
| TSI | 23.5 | 52.0 | 24.5
| HapMapRevision=28
}}{{PMID Auto
|PMID=19493349
|Title=118 SNPs of folate-related genes and risks of spina bifida and conotruncal heart defects
|OA=1
}}

{{PMID Auto
|PMID=22496803
|Title=Analysis of Polymorphisms and Haplotype Structure of the Human Thymidylate Synthase Genetic Region: A Tool for Pharmacogenetic Studies
|OA=1
}}

{{PMID Auto
|PMID=19064578
|Title=No association of single nucleotide polymorphisms in one-carbon metabolism genes with prostate cancer risk.
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}