{{Rsnum
|rsid=3027234
|Gene=CTC1
|Chromosome=17
|position=8232774
|Orientation=minus
|GMAF=0.124
|Gene_s=CTC1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 4.4 | 28.3 | 67.3
| HCB | 0.7 | 5.8 | 93.4
| JPT | 0.0 | 7.1 | 92.9
| YRI | 0.7 | 3.4 | 95.9
| ASW | 0.0 | 21.1 | 78.9
| CHB | 0.7 | 5.8 | 93.4
| CHD | 0.9 | 6.4 | 92.7
| GIH | 2.0 | 17.8 | 80.2
| LWK | 0.0 | 8.2 | 91.8
| MEX | 0.0 | 28.1 | 71.9
| MKK | 0.0 | 11.0 | 89.0
| TSI | 6.9 | 42.6 | 50.5
| HapMapRevision=28
}}{{PMID Auto GWAS
  |PMID=23001564
  |Trait=Telomere length
  |Title=Genome-wide meta-analysis points to CTC1 and ZNF676 as genes regulating telomere homeostasis in humans.
  |RiskAllele=T
  |Pval=2E-8
  |OR=.06
  |ORtxt=[0.036-0.079] unit decrease
  |OA=1
}}

{{on chip | Affy GenomeWide 6}}
{{on chip | Illumina Human 1M}}