Trait
Postaxial polydactyly
A form of polydactyly in which the extra digit or digits are localized on the side of the fifth finger or fifth toe.
Summary
- Also called
- Polydactyly, postaxial, Postaxial hexadactyly
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
Read the genes linked to Postaxial polydactyly, and the rest of your genome, with one test.
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Get my Genome Test89 genes linked to Postaxial polydactyly
Changes in these genes cause rare conditions in which Postaxial polydactyly 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 3 conditions |
| B9D2B9 domain containing 2 | Always | In 1 condition |
| BBS7Bardet-Biedl syndrome 7 | Always | In 2 conditions |
| BBS9Bardet-Biedl syndrome 9 | Always | In 2 conditions |
| CILK1ciliogenesis associated kinase 1 | Always | In 1 condition |
| DYNC2LI1dynein cytoplasmic 2 light intermediate chain 1 | Always | In 1 condition |
| IFT52intraflagellar transport 52 | Always | In 1 condition |
| IFT74intraflagellar transport 74 | Always | In 2 conditions |
| INTUinturned planar cell polarity protein | Always | In 1 condition |
| MKKSMKKS centrosomal shuttling protein | Always | In 2 conditions |
| MKS1MKS transition zone complex subunit 1 | Always | In 2 conditions |
| MYCNMYCN proto-oncogene, bHLH transcription factor | Always | In 1 condition |
| PRKACAprotein kinase cAMP-activated catalytic subunit alpha | Always | In 1 condition |
| SRSF1serine and arginine rich splicing factor 1 | Always | In 1 condition |
| TTC8tetratricopeptide repeat domain 8 | Always | In 2 conditions |
| UBR5ubiquitin protein ligase E3 component n-recognin 5 | Always | In 1 condition |
| DDX59DEAD-box helicase 59 | Very often (80–99%) | In 1 condition |
| GLI3GLI family zinc finger 3 | Very often (80–99%) | In 1 condition |
| IFT27intraflagellar transport 27 | Very often (80–99%) | In 2 conditions |
| TCTN3tectonic family member 3 | Very often (80–99%) | In 2 conditions |
| BBIP1BBSome interacting protein 1 | Often (30–79%) | In 1 condition |
| BBS1Bardet-Biedl syndrome 1 | Often (30–79%) | In 2 conditions |
| BBS10Bardet-Biedl syndrome 10 | Often (30–79%) | In 1 condition |
| BBS12Bardet-Biedl syndrome 12 | Often (30–79%) | In 1 condition |
| BBS2Bardet-Biedl syndrome 2 | Often (30–79%) | In 1 condition |
| BBS4Bardet-Biedl syndrome 4 | Often (30–79%) | In 1 condition |
| BBS5Bardet-Biedl syndrome 5 | Often (30–79%) | In 2 conditions |
| CCDC28Bcoiled-coil domain containing 28B | Often (30–79%) | In 1 condition |
| CEP19centrosomal protein 19 | Often (30–79%) | In 1 condition |
| CEP290centrosomal protein 290 | Often (30–79%) | In 1 condition |
| CFAP418cilia and flagella associated protein 418 | Often (30–79%) | In 2 conditions |
| CHST11carbohydrate sulfotransferase 11 | Often (30–79%) | In 1 condition |
| GDF6growth differentiation factor 6 | Often (30–79%) | In 1 condition |
| HNRNPKheterogeneous nuclear ribonucleoprotein K | Often (30–79%) | In 3 conditions |
| IFT172intraflagellar transport 172 | Often (30–79%) | In 2 conditions |
| IFT43intraflagellar transport 43 | Often (30–79%) | In 2 conditions |
| IFT81intraflagellar transport 81 | Often (30–79%) | In 1 condition |
| LZTFL1leucine zipper transcription factor like 1 | Often (30–79%) | In 1 condition |
| NCAPG2non-SMC condensin II complex subunit G2 | Often (30–79%) | In 1 condition |
| NPHP1nephrocystin 1 | Often (30–79%) | In 1 condition |
Show 49 more genes
| Gene | How often it is seen | Conditions |
|---|---|---|
| SCAPERS-phase cyclin A associated protein in the ER | Often (30–79%) | In 1 condition |
| SCLT1sodium channel and clathrin linker 1 | Often (30–79%) | In 1 condition |
| SDCCAG8SHH signaling and ciliogenesis regulator SDCCAG8 | Often (30–79%) | In 1 condition |
| TMEM231transmembrane protein 231 | Often (30–79%) | In 1 condition |
| TOGARAM1TOG array regulator of axonemal microtubules 1 | Often (30–79%) | In 1 condition |
| TRIM32tripartite motif containing 32 | Often (30–79%) | In 1 condition |
| TXNDC15thioredoxin domain containing 15 | Often (30–79%) | In 1 condition |
| USP9Xubiquitin specific peptidase 9 X-linked | Often (30–79%) | In 2 conditions |
| WDPCPWD repeat containing planar cell polarity effector | Often (30–79%) | In 1 condition |
| COG6component of oligomeric golgi complex 6 | 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 |
| DYNC2H1dynein cytoplasmic 2 heavy chain 1 | Sometimes (5–29%) | In 1 condition |
| DYNC2I2dynein 2 intermediate chain 2 | Sometimes (5–29%) | In 1 condition |
| EBPEBP cholestenol delta-isomerase | Sometimes (5–29%) | In 1 condition |
| IFT56intraflagellar transport 56 | Sometimes (5–29%) | In 1 condition |
| KIAA0586KIAA0586 | Sometimes (5–29%) | In 2 conditions |
| MEGF8multiple EGF like domains 8 | Sometimes (5–29%) | In 1 condition |
| PIK3R2phosphoinositide-3-kinase regulatory subunit 2 | Sometimes (5–29%) | In 1 condition |
| PLAAphospholipase A2 activating protein | Sometimes (5–29%) | In 1 condition |
| PPP2R1Aprotein phosphatase 2 scaffold subunit Aalpha | Sometimes (5–29%) | In 2 conditions |
| RBM10RNA binding motif protein 10 | Sometimes (5–29%) | In 2 conditions |
| SETD5SET domain containing 5 | Sometimes (5–29%) | In 1 condition |
| SLC6A1solute carrier family 6 member 1 | Sometimes (5–29%) | In 1 condition |
| SLC6A11solute carrier family 6 member 11 | Sometimes (5–29%) | In 1 condition |
| SYNGAP1synaptic Ras GTPase activating protein 1 | Sometimes (5–29%) | In 1 condition |
| TBC1D32TBC1 domain family member 32 | Sometimes (5–29%) | In 1 condition |
| TGFBR2transforming growth factor beta receptor 2 | Sometimes (5–29%) | In 1 condition |
| TMEM218transmembrane protein 218 | Sometimes (5–29%) | In 1 condition |
| TMEM237transmembrane protein 237 | Sometimes (5–29%) | In 1 condition |
| ZFXzinc finger protein X-linked | Sometimes (5–29%) | In 1 condition |
| CEP120centrosomal protein 120 | Not recorded | In 1 condition |
| CRB2crumbs cell polarity complex component 2 | Not recorded | In 1 condition |
| CTU2cytosolic thiouridylase subunit 2 | Not recorded | In 1 condition |
| DYNC2I1dynein 2 intermediate chain 1 | Not recorded | In 1 condition |
| GATA6GATA binding protein 6 | Not recorded | In 1 condition |
| GLI1GLI family zinc finger 1 | Not recorded | In 1 condition |
| GPC3glypican 3 | Not recorded | In 1 condition |
| IFT57intraflagellar transport 57 | Not recorded | In 1 condition |
| KIF3Bkinesin family member 3B | Not recorded | In 1 condition |
| LMBR1limb development membrane protein 1 | Not recorded | In 1 condition |
| NKX2-5NK2 homeobox 5 | Not recorded | In 1 condition |
| NKX2-6NK2 homeobox 6 | Not recorded | In 1 condition |
| RBBP8RB binding protein 8, endonuclease | Not recorded | In 1 condition |
| RPGRIP1LRPGRIP1 like | Not recorded | In 1 condition |
| TBX1T-box transcription factor 1 | Not recorded | In 1 condition |
| UQCC2ubiquinol-cytochrome c reductase complex assembly factor 2 | Not recorded | In 1 condition |
| WDR35WD repeat domain 35 | Not recorded | In 1 condition |
| WNT7AWnt family member 7A | 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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