Chromosome 20
157 well-documented SNPs on chromosome 20, in order of position (GRCh38).
- rs2295490TRIB3 · 388,261A;G1.32x increased risk of early-onset type-2 diabetesMinor
- rs3746804SLC52A3 · 763,771G;Gcommon in clinvarTypical
- rs2235749PDYN · 1,979,293G;Gcommon in clinvarTypical
- rs910079PDYN · 1,979,552A;Acommon in clinvarTypical
- rs910080PDYN · 1,979,580A;Acommon in clinvarTypical
- rs1997794PDYN · 1,994,212T;Tcommon in clinvarTypical
- rs60815972,014,888A;Acommon in complete genomicsTypical
- rs61128212,093,677C;Ccommon genotypeTypical
- rs6050469TMC2 · 2,594,723G;Gcommon genotypeTypical
- rs17339677OXT · 3,072,433G;Gcommon in complete genomicsTypical
- rs11697186DDRGK1 · 3,204,477A;Acommon on affy axiom dataTypical
- rs6139030ITPA · 3,207,087T;Tcommon on affy axiom dataTypical
- rs1127354ITPA · 3,213,196A;ACausative for ITPase deficiency; also, reduces risk of anemia due to ribivarin anti-hepatitis C virus therapyImportant
- rs7270101ITPA · 3,213,247C;Ccausative. Ribavirin-induced anemia iRibavirin-induced anemia during anti-hepatitis C virus therapyImportant
- rs574174ADAM33 · 3,670,047C;CNo summary available.Typical
- rs612709ADAM33 · 3,671,560G;GNo summary available.Typical
- rs3761218CDC25B · 3,795,528A;GNo summary available.Typical
- rs4815617MAVS · 3,846,662C;Ccommon on affy axiom dataTypical
- rs11905552MAVS · 3,857,753G;Gcommon in complete genomicsTypical
- rs16989303SMOX · 4,188,432G;Gcommon on affy axiom dataTypical
- rs60527614,676,371T;Tcommon in complete genomicsTypical
- rs11538758PRNP · 4,699,534C;TP105L mutation leading to Inherited Prion DiseaseVery important
- rs1799990PRNP · 4,699,605A;AIncreased chance of Prion Disease (PrP 129 Met homozygote)Worth knowing
- rs16990018PRNP · 4,699,732G;GNo summary available.Worth knowing
- rs74315403PRNP · 4,699,752A;GPrP D178N pathogenic mutation - leads to CJD or FFIVery important
- rs28933385PRNP · 4,699,818A;GCodes for the Prion Protein E200K pathogenic mutationVery important
- rs61164924,717,980G;GNo summary available.Typical
- rs742710CHGB · 5,923,382C;CNo summary available.Typical
- rs16991615MCM8 · 5,967,581A;Aage at menopause increased by avg of 22 monthsMinor
- rs235768BMP2 · 6,778,468A;Acommon in clinvarTypical
- rs3178250BMP2 · 6,779,554C;CLower otosclerosis riskWorth knowing
- rs235756BMP2 · 6,786,464G;GnormalTypical
- rs60858206,999,988G;GNo summary available.Typical
- rs6085920LINC01428 · 7,199,409A;Acommon in complete genomicsTypical
- rs61402647,395,707G;Gcommon in complete genomicsTypical
- rs60549737,405,311T;Tcommon genotypeTypical
- rs61080117,571,857C;Ccommon in complete genomicsTypical
- rs363039SNAP25 · 10,239,848C;TNo summary available.Typical
- rs363043SNAP25 · 10,245,498C;CNo summary available.Typical
- rs363050SNAP25 · 10,253,609A;ANo summary available.Minor
- rs3746544SNAP25 · 10,306,436T;TAssociated with ADHDTypical
- rs8708JAG1 · 10,637,926T;Tcommon in clinvarTypical
- rs1884136C20orf187 · 10,869,816G;Gcommon on affy axiom dataTypical
- rs220741811,194,255G;G~2x increased risk of heart failure, at least in AmishWorth knowing
- rs17190927SPTLC3 · 13,143,086T;Tcommon in complete genomicsTypical
- rs1223271TASP1 · 13,316,265A;AIncreased risk of developing Parkinson's DiseaseWorth knowing
- rs6111803OVOL2 · 18,041,718G;Gcommon in complete genomicsTypical
- rs1772525518,098,487T;Tcommon in complete genomicsTypical
- rs6047590PAX1 · 21,712,986T;Tcommon in complete genomicsTypical
- rs218043921,872,462T;T2x increased risk of Male Pattern Baldness.Important
- rs188459621,923,501T;Tcommon in complete genomicsTypical
- rs20157122,032,876T;Tmore likely to go baldWorth knowing
- rs6036025LINC01432 · 22,059,230G;Gmore likely to go baldMinor
- rs1160312LINC01432 · 22,069,865A;A2.56x increased risk of Male Pattern Baldness.Worth knowing
- rs1962THBD · 23,045,859C;Ccommon in clinvarTypical
- rs3176123THBD · 23,046,776T;Tcommon in clinvarTypical
- rs1042580THBD · 23,046,984T;Tcommon in clinvarTypical
- rs3176134THBD · 23,047,500C;Ccommon in clinvarTypical
- rs28939068CST3 · 23,635,330T;TNo summary available.Very important
- rs1064039CST3 · 23,637,790T;THigher risk for age-related macular degeneration; slightly higher Alzheimers risk in Caucasians but not AsiansWorth knowing
- rs12480307VSX1 · 25,078,910T;Tcommon in clinvarTypical
- rs373145711ASXL1 · 32,433,408C;TBohring-Opitz syndromeVery important
- rs6119285DNMT3B · 32,789,189C;Ccommon genotypeTypical
- rs6119286DNMT3B · 32,807,671G;GNo summary available.Typical
- rs2424932DNMT3B · 32,808,730A;Acommon in clinvarTypical
- rs6057651MAPRE1 · 32,822,531G;Gcommon genotypeTypical
- rs6057652MAPRE1 · 32,832,003A;Acommon genotypeTypical
- rs7270085MAPRE1 · 32,849,801G;Gcommon genotypeTypical
- rs6057659EFCAB8 · 32,857,341G;Gcommon genotypeTypical
- rs8123073EFCAB8 · 32,859,052A;Acommon genotypeTypical
- rs17123726EFCAB8 · 32,859,562A;Acommon genotypeTypical
- rs13045180EFCAB8 · 32,943,738C;CnormalTypical
- rs17124372BPIFA4P · 33,210,631T;Tcommon genotypeTypical
- rs291671CDK5RAP1 · 33,363,039A;Acommon on affy axiom dataTypical
- rs491141434,141,638G;T2-4x higher risk of sun sensitivity if part of risk haplotypeWorth knowing
- rs101536234,150,806C;T2-4x higher risk of sun sensitivity if part of risk haplotype.Worth knowing
- rs13043752AHCY · 34,295,502G;Gcommon in complete genomicsTypical
- rs819146AHCY · 34,303,394G;Gcommon in clinvarTypical
- rs910873PIGU · 34,583,968A;A3x increased risk of melanomaVery important
- rs4911442NCOA6 · 34,767,243A;ANo summary available.Typical
- rs1885120LOC107985393 · 34,989,186G;GNo summary available.Typical
- rs3746444LOC107985393 · 34,990,448G;G~1.2x increased risk for cancerWorth knowing
- rs867186PROCR · 35,176,751A;Anormal risk for VTETypical
- rs9574PROCR · 35,176,829C;CEPCR H1 diplotype; reduced risk of VTE?Typical
- rs619865EIF6 · 35,279,894G;Gcommon on affy axiom dataTypical
- rs6060369UQCC · 35,319,358A;GNo summary available.Worth knowing
- rs143384GDF5 · 35,437,976A;Acommon in clinvarTypical
- rs143383GDF5 · 35,438,203A;A1.3x increased risk for osteoarthritisMinor
- rs4988492GHRH · 37,254,295G;Gcommon in complete genomicsTypical
- rs6124914SRC · 37,387,840T;Tcommon in complete genomicsTypical
- rs6013029CTNNBL1 · 37,771,178G;GnormalTypical
- rs2232618LBP · 38,373,117T;Tcommon on affy axiom dataTypical
- rs602846639,500,359G;GNo summary available.Typical
- rs812091740,015,916G;Gcommon genotypeTypical
- rs602894540,192,165G;GNo summary available.Typical
- rs1303695743,193,056G;Gcommon in complete genomicsTypical
- rs201080943,362,961C;Ccommon genotypeTypical
- rs6031252TOX2 · 43,945,182C;Ccommon in complete genomicsTypical
- rs6017291OSER1-AS1 · 44,225,494A;Acommon in complete genomicsTypical
- rs2144908HNF4A · 44,357,077A;GNo summary available.Typical
- rs745975HNF4A · 44,406,053C;Ccommon in clinvarTypical
- rs1885088HNF4A · 44,410,400G;GNo summary available.Typical
- rs137853336HNF4A · 44,413,714C;Tassociated with MODY1; maturity onset of diabetes in the young (type 1)Worth knowing
- rs1800961HNF4A · 44,413,724C;Ccommon in complete genomicsTypical
- rs244076ADA · 44,624,274T;Tcommon in clinvarTypical
- rs6017452STK4 · 44,975,362C;Tcommon in complete genomicsTypical
- rs11594EPPIN-WFDC6 · 45,542,073A;ANo summary available.Typical
- rs2231829EPPIN · 45,547,937G;Gcommon in complete genomicsTypical
- rs3843763PLTP · 45,919,554T;TSlightly lower HDL ("Good") Cholesterol.Minor
- rs7679PCIF1 · 45,947,863T;Tcommon on affy axiom dataTypical
- rs3918242MMP9 · 46,007,337C;Cnormal riskTypical
- rs2274755MMP9 · 46,011,053G;Gcommon in clinvarTypical
- rs17576MMP9 · 46,011,586A;Anormal risk for lung cancer; higher risk for MIWorth knowing
- rs3918254MMP9 · 46,011,752C;Ccommon in clinvarTypical
- rs2250889MMP9 · 46,013,767C;C1.69x higher risk for lung cancerTypical
- rs17577MMP9 · 46,014,472G;Gcommon in clinvarTypical
- rs607402246,111,557C;CNo summary available.Typical
- rs1883832CD40 · 46,118,343T;Tcommon in clinvarTypical
- rs4810485CD40 · 46,119,308G;T0.87 reduced risk for rheumatoid athritisMinor
- rs12481102EYA2 · 46,999,130C;Ccommon in complete genomicsTypical
- rs3827063EYA2 · 47,015,777G;Gcommon in complete genomicsTypical
- rs609471047,466,905A;A1.3x risk of osteoarthritisMinor
- rs6125048NCOA3 · 47,579,861G;Gcommon in complete genomicsTypical
- rs6094752NCOA3 · 47,627,680C;Ccommon on affy axiom dataTypical
- rs2230782NCOA3 · 47,636,144C;C0.45x reduced risk for breast cancerWorth knowing
- rs2076546NCOA3 · 47,639,749A;Acommon in complete genomicsTypical
- rs6012564ARFGEF2 · 48,925,063A;AnormalTypical
- rs5628PTGIS · 49,524,145C;Ccommon in complete genomicsTypical
- rs1169784849,958,778C;Ccommon genotypeTypical
- rs7269297MOCS3 · 50,960,127T;Tcommon genotypeTypical
- rs6021270NFATC2 · 51,524,725T;Tcommon genotypeTypical
- rs11699311LOC107987283 · 53,738,792T;Tcommon in complete genomicsTypical
- rs4809957CYP24A1 · 54,154,632A;Acommon in clinvarTypical
- rs2762934CYP24A1 · 54,154,722G;Gcommon in clinvarTypical
- rs6068812CYP24A1 · 54,158,096A;Acommon in clinvarTypical
- rs2296239CYP24A1 · 54,158,989C;Ccommon in clinvarTypical
- rs6068816CYP24A1 · 54,164,552C;Ccommon in clinvarTypical
- rs2296241CYP24A1 · 54,169,680G;Gcommon in clinvarTypical
- rs609207855,184,590G;Gcommon in complete genomicsTypical
- rs1047972AURKA · 56,386,407C;Ccommon/normalTypical
- rs2273535AURKA · 56,386,485T;Tslightly higher (~1.5x or less) risk for certain cancersWorth knowing
- rs612792157,063,694A;Acommon in complete genomicsTypical
- rs1169923757,108,940C;CNo summary available.Typical
- rs1042523PCK1 · 57,562,751A;Acommon in clinvarTypical
- rs8192708PCK1 · 57,563,565A;Acommon in complete genomicsTypical
- rs7121GNAS · 58,903,752C;Ccommon in clinvarTypical
- rs2273359NELFCD · 58,987,047C;Ccommon genotypeTypical
- rs12625057ZNF831 · 59,215,381A;Acommon in complete genomicsTypical
- rs11570255EDN3 · 59,300,861G;Gcommon in complete genomicsTypical
- rs11570351EDN3 · 59,324,412G;Gcommon on affy axiom dataTypical
- rs16985437CDH4 · 61,683,795G;Gcommon genotypeTypical
- rs6061910CDH4 · 61,933,124G;Gcommon genotypeTypical
- rs6122014MIR1-1HG · 62,554,308G;Gcommon in complete genomicsTypical
- rs751557COL9A3 · 62,832,170C;Ccommon in clinvarTypical
- rs1044396CHRNA4 · 63,349,782G;GIncreased risk of Nicotine dependence among malesWorth knowing
- rs1044394CHRNA4 · 63,350,733G;Gcommon in complete genomicsTypical
- rs6010620RTEL1-TNFRSF6B · 63,678,486G;G1.4x higher risk for glioma development; but this is the common allele. 1.4x higher risk for atopic dermatitis in Han ChineseMinor
No matches.
Source and license
Adapted from SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.
SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.