Trait
Extra finger
Clinical name: Hand polydactyly
A kind of polydactyly characterized by the presence of a supernumerary finger or fingers.
Summary
- Also called
- Finger polydactyly, Polydactyly of the hand, Supernumerary finger
Reference genomeGRCh38hg38
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Get my Genome Test86 genes linked to Extra finger
Changes in these genes cause rare conditions in which Extra finger is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.
| Gene | How often it is seen | Conditions |
|---|---|---|
| DYNC2LI1dynein cytoplasmic 2 light intermediate chain 1 | Very often (80–99%) | In 1 condition |
| EVCEvC ciliary complex subunit 1 | Very often (80–99%) | In 1 condition |
| EVC2EvC ciliary complex subunit 2 | Very often (80–99%) | In 1 condition |
| GLI1GLI family zinc finger 1 | Very often (80–99%) | In 1 condition |
| LMBR1limb development membrane protein 1 | Very often (80–99%) | In 2 conditions |
| PIK3CAphosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha | Very often (80–99%) | In 1 condition |
| PNPLA6patatin like domain 6, lysophospholipase | Very often (80–99%) | In 1 condition |
| PRKACAprotein kinase cAMP-activated catalytic subunit alpha | Very often (80–99%) | In 1 condition |
| PRKACBprotein kinase cAMP-activated catalytic subunit beta | Very often (80–99%) | In 1 condition |
| PTENphosphatase and tensin homolog | Very often (80–99%) | In 1 condition |
| SHHsonic hedgehog signaling molecule | Very often (80–99%) | In 1 condition |
| EBPEBP cholestenol delta-isomerase | Often (30–79%) | In 1 condition |
| EFNB1ephrin B1 | Often (30–79%) | In 1 condition |
| OFD1OFD1 centriole and centriolar satellite protein | Often (30–79%) | In 3 conditions |
| ABCA12ATP binding cassette subfamily A member 12 | Sometimes (5–29%) | In 1 condition |
| ACOX1acyl-CoA oxidase 1 | Sometimes (5–29%) | In 1 condition |
| AHI1Abelson helper integration site 1 | Sometimes (5–29%) | In 2 conditions |
| ARL13BARF like GTPase 13B | Sometimes (5–29%) | In 1 condition |
| ARL3ARF like GTPase 3 | Sometimes (5–29%) | In 1 condition |
| ARMC9armadillo repeat containing 9 | Sometimes (5–29%) | In 1 condition |
| ARVCFARVCF delta catenin family member | Sometimes (5–29%) | In 1 condition |
| B9D1B9 domain containing 1 | Sometimes (5–29%) | In 1 condition |
| B9D2B9 domain containing 2 | Sometimes (5–29%) | In 1 condition |
| CBY1chibby 1, beta catenin antagonist | Sometimes (5–29%) | In 1 condition |
| CC2D2Acoiled-coil and C2 domain containing 2A | Sometimes (5–29%) | In 1 condition |
| CCDC22CCC complex scaffolding subunit CCDC22 | Sometimes (5–29%) | In 1 condition |
| CD96CD96 molecule | Sometimes (5–29%) | In 1 condition |
| CEP104centrosomal protein 104 | Sometimes (5–29%) | In 1 condition |
| CEP120centrosomal protein 120 | Sometimes (5–29%) | In 2 conditions |
| CEP290centrosomal protein 290 | Sometimes (5–29%) | In 1 condition |
| CEP41centrosomal protein 41 | Sometimes (5–29%) | In 2 conditions |
| COMTcatechol-O-methyltransferase | Sometimes (5–29%) | In 1 condition |
| CPLANE1ciliogenesis and planar polarity effector complex subunit 1 | Sometimes (5–29%) | In 2 conditions |
| CSPP1centrosome and spindle pole associated protein 1 | Sometimes (5–29%) | In 1 condition |
| DPYSL5dihydropyrimidinase like 5 | Sometimes (5–29%) | In 1 condition |
| FAM149B1family with sequence similarity 149 member B1 | Sometimes (5–29%) | In 1 condition |
| FLI1Fli-1 proto-oncogene, ETS transcription factor | Sometimes (5–29%) | In 1 condition |
| GJA1gap junction protein alpha 1 | Sometimes (5–29%) | In 1 condition |
| GP1BBglycoprotein Ib platelet subunit beta | Sometimes (5–29%) | In 1 condition |
| HESX1HESX homeobox 1 | Sometimes (5–29%) | In 1 condition |
Show 46 more genes
| Gene | How often it is seen | Conditions |
|---|---|---|
| HIRAhistone cell cycle regulator | Sometimes (5–29%) | In 1 condition |
| HYLS1HYLS1 centriolar and ciliogenesis associated | Sometimes (5–29%) | In 1 condition |
| IFT74intraflagellar transport 74 | Sometimes (5–29%) | In 1 condition |
| INPP5Einositol polyphosphate-5-phosphatase E | Sometimes (5–29%) | In 2 conditions |
| JMJD1Cjumonji domain containing 1C | Sometimes (5–29%) | In 1 condition |
| KATNIPkatanin interacting protein | Sometimes (5–29%) | In 1 condition |
| KIAA0586KIAA0586 | Sometimes (5–29%) | In 1 condition |
| KIAA0753KIAA0753 | Sometimes (5–29%) | In 2 conditions |
| KIF7kinesin family member 7 | Sometimes (5–29%) | In 1 condition |
| LHX3LIM homeobox 3 | Sometimes (5–29%) | In 1 condition |
| LHX4LIM homeobox 4 | Sometimes (5–29%) | In 1 condition |
| MKS1MKS transition zone complex subunit 1 | Sometimes (5–29%) | In 2 conditions |
| NEK1NIMA related kinase 1 | Sometimes (5–29%) | In 1 condition |
| NPHP1nephrocystin 1 | Sometimes (5–29%) | In 1 condition |
| PDE6Dphosphodiesterase 6D | Sometimes (5–29%) | In 2 conditions |
| PIBF1progesterone immunomodulatory binding factor 1 | Sometimes (5–29%) | In 1 condition |
| POU1F1POU class 1 homeobox 1 | Sometimes (5–29%) | In 1 condition |
| PROP1PROP paired-like homeobox 1 | Sometimes (5–29%) | In 1 condition |
| RAI1retinoic acid induced 1 | Sometimes (5–29%) | In 1 condition |
| RBM10RNA binding motif protein 10 | Sometimes (5–29%) | In 1 condition |
| RPGRIP1LRPGRIP1 like | Sometimes (5–29%) | In 1 condition |
| RREB1ras responsive element binding protein 1 | Sometimes (5–29%) | In 1 condition |
| SEC24CSEC24 homolog C, COPII component | Sometimes (5–29%) | In 1 condition |
| SUFUSUFU negative regulator of hedgehog signaling | Sometimes (5–29%) | In 1 condition |
| TBX1T-box transcription factor 1 | Sometimes (5–29%) | In 1 condition |
| TCTN1tectonic family member 1 | Sometimes (5–29%) | In 1 condition |
| TCTN2tectonic family member 2 | Sometimes (5–29%) | In 1 condition |
| TCTN3tectonic family member 3 | Sometimes (5–29%) | In 3 conditions |
| TFAP2Btranscription factor AP-2 beta | Sometimes (5–29%) | In 1 condition |
| TMEM138transmembrane protein 138 | Sometimes (5–29%) | In 1 condition |
| TMEM216transmembrane protein 216 | Sometimes (5–29%) | In 2 conditions |
| TMEM218transmembrane protein 218 | Sometimes (5–29%) | In 1 condition |
| TMEM231transmembrane protein 231 | Sometimes (5–29%) | In 2 conditions |
| TMEM237transmembrane protein 237 | Sometimes (5–29%) | In 3 conditions |
| TMEM67transmembrane protein 67 | Sometimes (5–29%) | In 1 condition |
| TOGARAM1TOG array regulator of axonemal microtubules 1 | Sometimes (5–29%) | In 1 condition |
| TOPORSTOP1 binding arginine/serine rich protein, E3 ubiquitin ligase | Sometimes (5–29%) | In 1 condition |
| UFD1ubiquitin recognition factor in ER associated degradation 1 | Sometimes (5–29%) | In 1 condition |
| VPS35LVPS35 endosomal protein sorting factor like | Sometimes (5–29%) | In 1 condition |
| WASHC5WASH complex subunit 5 | Sometimes (5–29%) | In 1 condition |
| ZNF423zinc finger protein 423 | Sometimes (5–29%) | In 1 condition |
| SH2B1SH2B adaptor protein 1 | Rarely (1–4%) | In 1 condition |
| BLMBLM RecQ like helicase | Not recorded | In 1 condition |
| CHD7chromodomain helicase DNA binding protein 7 | Not recorded | In 1 condition |
| TBC1D32TBC1 domain family member 32 | Not recorded | In 1 condition |
| ZIC3Zic family zinc finger 3 | Not recorded | In 1 condition |
How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.
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Where this comes from
- The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
- Data release 2026.10.16-c6eea6bf.
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