Trait
Preaxial polydactyly
A form of polydactyly in which the extra digit or digits are localized on the side of the thumb or great toe.
Summary
- Also called
- Polydactyly, preaxial
Read the genes linked to Preaxial polydactyly, and the rest of your genome, with one test.
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Get my Genome Test33 genes linked to Preaxial polydactyly
Changes in these genes cause rare conditions in which Preaxial 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 |
|---|---|---|
| CEP120centrosomal protein 120 | Always | In 1 condition |
| FLVCR1FLVCR choline and heme transporter 1 | Always | In 1 condition |
| GLI3GLI family zinc finger 3 | Always | In 1 condition |
| INTUinturned planar cell polarity protein | Always | In 1 condition |
| CPLANE1ciliogenesis and planar polarity effector complex subunit 1 | Often (30–79%) | In 2 conditions |
| CTU2cytosolic thiouridylase subunit 2 | Often (30–79%) | In 1 condition |
| FAM149B1family with sequence similarity 149 member B1 | Often (30–79%) | In 1 condition |
| IFT43intraflagellar transport 43 | Often (30–79%) | In 1 condition |
| KIAA0753KIAA0753 | Often (30–79%) | In 1 condition |
| KIF7kinesin family member 7 | Often (30–79%) | In 1 condition |
| MEGF8multiple EGF like domains 8 | Often (30–79%) | In 1 condition |
| OFD1OFD1 centriole and centriolar satellite protein | Often (30–79%) | In 1 condition |
| PDE6Dphosphodiesterase 6D | Often (30–79%) | In 1 condition |
| TCTN3tectonic family member 3 | Often (30–79%) | In 1 condition |
| TMEM216transmembrane protein 216 | Often (30–79%) | In 1 condition |
| TMEM231transmembrane protein 231 | Often (30–79%) | In 1 condition |
| TOPORSTOP1 binding arginine/serine rich protein, E3 ubiquitin ligase | Often (30–79%) | In 1 condition |
| CEP41centrosomal protein 41 | Sometimes (5–29%) | In 1 condition |
| CNTNAP2contactin associated protein 2 | Sometimes (5–29%) | In 1 condition |
| COLEC10collectin subfamily member 10 | Sometimes (5–29%) | In 1 condition |
| DYNC2H1dynein cytoplasmic 2 heavy chain 1 | Sometimes (5–29%) | In 1 condition |
| FLNAfilamin A | Sometimes (5–29%) | In 1 condition |
| NEK9NIMA related kinase 9 | Sometimes (5–29%) | In 1 condition |
| RNU4ATACRNA, U4atac small nuclear | Sometimes (5–29%) | In 1 condition |
| SALL4spalt like transcription factor 4 | Sometimes (5–29%) | In 2 conditions |
| CENPFcentromere protein F | Rarely (1–4%) | In 1 condition |
| C2CD3C2 domain containing 3 centriole elongation regulator | Not recorded | In 1 condition |
| CILK1ciliogenesis associated kinase 1 | Not recorded | In 1 condition |
| DYNC2I1dynein 2 intermediate chain 1 | Not recorded | In 1 condition |
| FGFR2fibroblast growth factor receptor 2 | Not recorded | In 1 condition |
| IFT57intraflagellar transport 57 | Not recorded | In 1 condition |
| KIAA0586KIAA0586 | 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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