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Trait
Extra little finger
Clinical name: Postaxial hand polydactyly
Supernumerary digits located at the ulnar side of the hand (that is, on the side with the fifth finger).
Summary
- Also called
- Extra pinkie finger, Extra pinky finger, Polydactyly affecting the 5th finger, Postaxial polydactyly of fingers, Postaxial polydactyly of hand, Postaxial polydactyly of hands
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page$trait$nameExtra little fingerHP:0001162
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Get my Genome Test52 condition reports read genes linked to this trait
Dante Labs condition reports look at the genes behind groups of inherited conditions, read from one whole-genome test. Each page says which conditions and genes a report covers, how it is read and what it cannot tell you.
- Joubert Syndrome And Related DisordersReads 23 of these genesB9D2PDE6DRPGRIP1LTCTN2TMEM107B9D1About this report →
- Meckel SyndromeReads 9 of these genesB9D2RPGRIP1LTCTN2TMEM107TXNDC15B9D1About this report →
- Bardet-Biedl and Alström SyndromesReads 12 of these genesARL6BBS1BBS2BBS9LZTFL1CEP290About this report →
- Ellis-van Creveld Syndrome and Cranioectodermal DysplasiaReads 4 of these genesEVCEVC2WDR35WDR19About this report →
Show 48 more reports
- MTOR Pathway Megalencephaly and Overgrowth DisordersReads 3 of these genesAKT3CCND2PIK3R2About this report →
- Syndromic CraniosynostosisReads 6 of these genesMEGF8RAB23SMOWDR35FGFR2WDR19About this report →
- Autosomal Recessive Cerebellar Ataxias (incl. CANVAS and AVED)Reads 8 of these genesCC2D2ACEP290CSPP1MKS1TMEM216TMEM231About this report →
- Amyotrophic Lateral Sclerosis Susceptibility 24 (NEK1)Reads 1 of these genesNEK1About this report →
- Asphyxiating Thoracic Dystrophy 2 (IFT80)Reads 1 of these genesIFT80About this report →
- Bent Bone Dysplasia Syndrome (FGFR2)Reads 1 of these genesFGFR2About this report →
- CEP290-Related CiliopathyReads 1 of these genesCEP290About this report →
- CTNNB1 SyndromeReads 1 of these genesCTNNB1About this report →
- Curry-Jones Syndrome (Mosaic SMO Syndrome)Reads 1 of these genesSMOAbout this report →
- Ferguson-Smith Disease (Multiple Self-Healing Squamous Epithelioma)Reads 1 of these genesTGFBR1About this report →
- Focal Dermal Hypoplasia (Goltz Syndrome)Reads 1 of these genesPORCNAbout this report →
- FrontorhinyReads 1 of these genesALX3About this report →
- Greig Cephalopolysyndactyly SyndromeReads 1 of these genesGLI3About this report →
- Hand-Foot-Genital SyndromeReads 1 of these genesHOXA13About this report →
- IFAP Syndrome (MBTPS2)Reads 1 of these genesMBTPS2About this report →
- IFT140-Related CiliopathyReads 1 of these genesIFT140About this report →
- Jeune Asphyxiating Thoracic Dystrophy (DYNC2H1)Reads 1 of these genesDYNC2H1About this report →
- OFD1-Related CiliopathyReads 1 of these genesOFD1About this report →
- Orofaciodigital Syndrome Type 14Reads 1 of these genesC2CD3About this report →
- Short-Rib Thoracic Dysplasia 11 (DYNC2I2)Reads 1 of these genesDYNC2I2About this report →
- Short-Rib Thoracic Dysplasia 7 (WDR35)Reads 1 of these genesWDR35About this report →
- Short-Rib Thoracic Dysplasia 8 (DYNC2I1)Reads 1 of these genesDYNC2I1About this report →
- Simpson-Golabi-Behmel SyndromeReads 1 of these genesGPC3About this report →
- Smith-Lemli-Opitz SyndromeReads 1 of these genesDHCR7About this report →
- Ulnar-Mammary SyndromeReads 1 of these genesTBX3About this report →
- Retinitis PigmentosaReads 7 of these genesARL6BBS2IFT140CC2D2AIFT172OFD1About this report →
- Nevoid Basal Cell Carcinoma (Gorlin) SyndromeReads 1 of these genesSUFUAbout this report →
- Nephronophthisis and Senior-Løken SyndromeReads 3 of these genesTMEM67TTC21BWDR19About this report →
- Non-Acquired Combined Pituitary Hormone DeficiencyReads 3 of these genesGLI2GLI3SMOAbout this report →
- MedulloblastomaReads 1 of these genesSUFUAbout this report →
- Inherited Congenital Heart DefectsReads 2 of these genesTBX5FLNAAbout this report →
- Achondrogenesis panelReads 1 of these genesGDF5About this report →
- Multiple Synostoses Syndrome (FGF9)Reads 1 of these genesGDF5About this report →
- Periventricular Nodular HeterotopiaReads 1 of these genesFLNAAbout this report →
- Leber Congenital Amaurosis & RPE65-Related RetinopathyReads 2 of these genesCEP290RPGRIP1About this report →
- Syndromic Complex Neurodevelopmental DisorderReads 2 of these genesBRPF1SETD5About this report →
- Inherited Neurodegenerative DisordersReads 8 of these genesCC2D2ACEP290CSPP1MKS1TMEM216TMEM231About this report →
- Hereditary Visceral Myopathy, CIPO & MMIHSReads 1 of these genesFLNAAbout this report →
- Loeys-Dietz SyndromeReads 1 of these genesTGFBR1About this report →
- Hereditary Pheochromocytoma and ParagangliomaReads 1 of these genesMAXAbout this report →
- Marfan Like SyndromesReads 1 of these genesTGFBR1About this report →
- Polycystic Kidney DiseaseReads 1 of these genesIFT140About this report →
- Aortic AneurysmReads 1 of these genesTGFBR1About this report →
- Intellectual DisabilityReads 4 of these genesCTNNB1BRPF1SETD5SETBP1About this report →
- VitreoretinopathyReads 1 of these genesCTNNB1About this report →
- Osteogenesis ImperfectaReads 1 of these genesMBTPS2About this report →
- Hereditary Palmoplantar Keratodermas and Pachyonychia CongenitaReads 1 of these genesMBTPS2About this report →
- Epilepsy (Full Panel)Reads 1 of these genesFLNAAbout this report →
Read the genes linked to Extra little finger, and the rest of your genome, with one test.
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Get my Genome Test99 genes linked to Extra little finger
Changes in these genes cause rare conditions in which Extra little 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 |
|---|---|---|
| ARL6ARF like GTPase 6 | Always | In 1 condition |
| B9D2B9 domain containing 2 | Always | In 2 conditions |
| BBS1Bardet-Biedl syndrome 1 | Always | In 1 condition |
| BBS2Bardet-Biedl syndrome 2 | Always | In 1 condition |
| BBS9Bardet-Biedl syndrome 9 | Always | In 1 condition |
| C2CD3C2 domain containing 3 centriole elongation regulator | Always | In 2 conditions |
| CCDC28Bcoiled-coil domain containing 28B | Always | In 1 condition |
| CIBAR1CBY1 interacting BAR domain containing 1 | Always | In 1 condition |
| DHCR77-dehydrocholesterol reductase | Always | In 2 conditions |
| DYNC2LI1dynein cytoplasmic 2 light intermediate chain 1 | Always | In 2 conditions |
| GLI2GLI family zinc finger 2 | Always | In 2 conditions |
| GLI3GLI family zinc finger 3 | Always | In 6 conditions |
| HOXA13homeobox A13 | Always | In 2 conditions |
| IFT140intraflagellar transport 140 | Always | In 2 conditions |
| KIAA0753KIAA0753 | Always | In 2 conditions |
| LZTFL1leucine zipper transcription factor like 1 | Always | In 1 condition |
| MAXMYC associated transcriptional regulator X | Always | In 1 condition |
| PDE6Dphosphodiesterase 6D | Always | In 1 condition |
| PRKACBprotein kinase cAMP-activated catalytic subunit beta | Always | In 1 condition |
| RPGRIP1LRPGRIP1 like | Always | In 4 conditions |
| SCNM1sodium channel modifier 1 | Always | In 1 condition |
| TBC1D32TBC1 domain family member 32 | Always | In 1 condition |
| TCTN2tectonic family member 2 | Always | In 2 conditions |
| TMEM107transmembrane protein 107 | Always | In 2 conditions |
| TXNDC15thioredoxin domain containing 15 | Always | In 2 conditions |
| ZNF141zinc finger protein 141 | Always | In 1 condition |
| ZRSR2zinc finger CCCH-type, RNA binding motif and serine/arginine rich 2 | Always | In 1 condition |
| AKT3AKT serine/threonine kinase 3 | Very often (80–99%) | In 2 conditions |
| B9D1B9 domain containing 1 | Very often (80–99%) | In 1 condition |
| CC2D2Acoiled-coil and C2 domain containing 2A | Very often (80–99%) | In 3 conditions |
| CCND2cyclin D2 | Very often (80–99%) | In 2 conditions |
| CEP290centrosomal protein 290 | Very often (80–99%) | In 2 conditions |
| CSPP1centrosome and spindle pole associated protein 1 | Very often (80–99%) | In 1 condition |
| CTNNB1catenin beta 1 | Very often (80–99%) | In 1 condition |
| DDX59DEAD-box helicase 59 | Very often (80–99%) | In 2 conditions |
| EVCEvC ciliary complex subunit 1 | Very often (80–99%) | In 3 conditions |
| EVC2EvC ciliary complex subunit 2 | Very often (80–99%) | In 3 conditions |
| GPC3glypican 3 | Very often (80–99%) | In 2 conditions |
| GPC4glypican 4 | Very often (80–99%) | In 1 condition |
| HYLS1HYLS1 centriolar and ciliogenesis associated | Very often (80–99%) | In 2 conditions |
Show 59 more genes
| Gene | How often it is seen | Conditions |
|---|---|---|
| KIF7kinesin family member 7 | Very often (80–99%) | In 4 conditions |
| LBRlamin B receptor | Very often (80–99%) | In 1 condition |
| MKS1MKS transition zone complex subunit 1 | Very often (80–99%) | In 2 conditions |
| PIK3R2phosphoinositide-3-kinase regulatory subunit 2 | Very often (80–99%) | In 1 condition |
| RPGRIP1RPGR interacting protein 1 | Very often (80–99%) | In 1 condition |
| TCTN1tectonic family member 1 | Very often (80–99%) | In 1 condition |
| TCTN3tectonic family member 3 | Very often (80–99%) | In 2 conditions |
| TMEM216transmembrane protein 216 | Very often (80–99%) | In 3 conditions |
| TMEM231transmembrane protein 231 | Very often (80–99%) | In 1 condition |
| TMEM237transmembrane protein 237 | Very often (80–99%) | In 1 condition |
| TMEM67transmembrane protein 67 | Very often (80–99%) | In 4 conditions |
| BBS12Bardet-Biedl syndrome 12 | Often (30–79%) | In 1 condition |
| BMPR1Bbone morphogenetic protein receptor type 1B | Often (30–79%) | In 1 condition |
| BRPF1bromodomain and PHD finger containing 1 | Often (30–79%) | In 1 condition |
| CPLANE1ciliogenesis and planar polarity effector complex subunit 1 | Often (30–79%) | In 1 condition |
| DYNC2H1dynein cytoplasmic 2 heavy chain 1 | Often (30–79%) | In 2 conditions |
| DYNC2I1dynein 2 intermediate chain 1 | Often (30–79%) | In 2 conditions |
| DYNC2I2dynein 2 intermediate chain 2 | Often (30–79%) | In 2 conditions |
| DYNLT2Bdynein light chain Tctex-type 2B | Often (30–79%) | In 1 condition |
| GDF5growth differentiation factor 5 | Often (30–79%) | In 3 conditions |
| IFT172intraflagellar transport 172 | Often (30–79%) | In 3 conditions |
| IFT80intraflagellar transport 80 | Often (30–79%) | In 3 conditions |
| LMBR1limb development membrane protein 1 | Often (30–79%) | In 1 condition |
| MBTPS2membrane bound transcription factor peptidase, site 2 | Often (30–79%) | In 2 conditions |
| MEGF8multiple EGF like domains 8 | Often (30–79%) | In 1 condition |
| MKKSMKKS centrosomal shuttling protein | Often (30–79%) | In 2 conditions |
| NEK1NIMA related kinase 1 | Often (30–79%) | In 3 conditions |
| OFD1OFD1 centriole and centriolar satellite protein | Often (30–79%) | In 3 conditions |
| OTUD5OTU deubiquitinase 5 | Often (30–79%) | In 1 condition |
| PLAAphospholipase A2 activating protein | Often (30–79%) | In 1 condition |
| RAB23RAB23, member RAS oncogene family | Often (30–79%) | In 2 conditions |
| RAB34RAB34, member RAS oncogene family | Often (30–79%) | In 1 condition |
| SC5Dsterol-C5-desaturase | Often (30–79%) | In 2 conditions |
| SETD5SET domain containing 5 | Often (30–79%) | In 1 condition |
| SMOsmoothened, frizzled class receptor | Often (30–79%) | In 1 condition |
| SMOC1SPARC related modular calcium binding 1 | Often (30–79%) | In 2 conditions |
| SUFUSUFU negative regulator of hedgehog signaling | Often (30–79%) | In 1 condition |
| TBX5T-box transcription factor 5 | Often (30–79%) | In 1 condition |
| WDR35WD repeat domain 35 | Often (30–79%) | In 2 conditions |
| WNT7AWnt family member 7A | Often (30–79%) | In 1 condition |
| ARMC9armadillo repeat containing 9 | Sometimes (5–29%) | In 1 condition |
| BHLHA9basic helix-loop-helix family member a9 | Sometimes (5–29%) | In 1 condition |
| CEP120centrosomal protein 120 | Sometimes (5–29%) | In 1 condition |
| FGFR2fibroblast growth factor receptor 2 | Sometimes (5–29%) | In 1 condition |
| HOXD13homeobox D13 | Sometimes (5–29%) | In 1 condition |
| INPP5Einositol polyphosphate-5-phosphatase E | Sometimes (5–29%) | In 2 conditions |
| TBX3T-box transcription factor 3 | Sometimes (5–29%) | In 2 conditions |
| TTC21Btetratricopeptide repeat domain 21B | Sometimes (5–29%) | In 1 condition |
| WDR19WD repeat domain 19 | Sometimes (5–29%) | In 1 condition |
| ALX3ALX homeobox 3 | Not recorded | In 1 condition |
| CD96CD96 molecule | Not recorded | In 1 condition |
| CFAP418cilia and flagella associated protein 418 | Not recorded | In 1 condition |
| FLNAfilamin A | Not recorded | In 1 condition |
| KIAA0825KIAA0825 | Not recorded | In 1 condition |
| PORCNporcupine O-acyltransferase | Not recorded | In 1 condition |
| SETBP1SET binding protein 1 | Not recorded | In 1 condition |
| TGFBR1transforming growth factor beta receptor 1 | Not recorded | In 1 condition |
| TMCO1transmembrane and coiled-coil domains 1 | Not recorded | In 1 condition |
| WDPCPWD repeat containing planar cell polarity effector | 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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Broader traits
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 2026.10.21-311f020e.
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