Trait
Flat back of skull
Clinical name: Flat occiput
Reduced convexity of the occiput (posterior part of skull).
Summary
- Also called
- Flat back of the head, Flat back of the skull, Flat posterior head, Flat posterior cranium, Posterior flattening of the skull
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
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Get my Genome Test67 genes linked to Flat back of skull
Changes in these genes cause rare conditions in which Flat back of skull 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 |
|---|---|---|
| FEM1Bfem-1 homolog B | Always | In 1 condition |
| FGFR2fibroblast growth factor receptor 2 | Always | In 1 condition |
| FIG4FIG4 phosphoinositide 5-phosphatase | Always | In 1 condition |
| JKAMPJNK1/MAPK8 associated membrane protein | Always | In 1 condition |
| KDM2Blysine demethylase 2B | Always | In 1 condition |
| METTL23methyltransferase 23, arginine | Always | In 1 condition |
| NEUROG1neurogenin 1 | Always | In 1 condition |
| PEX14peroxisomal biogenesis factor 14 | Always | In 2 conditions |
| PEX26peroxisomal biogenesis factor 26 | Always | In 2 conditions |
| PIGAphosphatidylinositol glycan anchor biosynthesis class A | Always | In 1 condition |
| PPIBpeptidylprolyl isomerase B | Always | In 1 condition |
| ADSLadenylosuccinate lyase | Very often (80–99%) | In 1 condition |
| CYP27B1cytochrome P450 family 27 subfamily B member 1 | Very often (80–99%) | In 2 conditions |
| CYP2R1cytochrome P450 family 2 subfamily R member 1 | Very often (80–99%) | In 2 conditions |
| EHMT1euchromatic histone lysine methyltransferase 1 | Very often (80–99%) | In 1 condition |
| UBE3Bubiquitin protein ligase E3B | Very often (80–99%) | In 1 condition |
| AMER1APC membrane recruitment protein 1 | Often (30–79%) | In 1 condition |
| CTNNB1catenin beta 1 | Often (30–79%) | In 1 condition |
| EZH2enhancer of zeste 2 polycomb repressive complex 2 subunit | Often (30–79%) | In 1 condition |
| INPPL1inositol polyphosphate phosphatase like 1 | Often (30–79%) | In 1 condition |
| MCTP2multiple C2 and transmembrane domain containing 2 | Often (30–79%) | In 1 condition |
| OCA2OCA2 melanosomal transmembrane protein | Often (30–79%) | In 1 condition |
| OTUD6BOTU deubiquitinase 6B | Often (30–79%) | In 2 conditions |
| PEX1peroxisomal biogenesis factor 1 | Often (30–79%) | In 2 conditions |
| PEX10peroxisomal biogenesis factor 10 | Often (30–79%) | In 1 condition |
| PEX11Bperoxisomal biogenesis factor 11 beta | Often (30–79%) | In 1 condition |
| PEX12peroxisomal biogenesis factor 12 | Often (30–79%) | In 1 condition |
| PEX13peroxisomal biogenesis factor 13 | Often (30–79%) | In 1 condition |
| PEX16peroxisomal biogenesis factor 16 | Often (30–79%) | In 1 condition |
| PEX19peroxisomal biogenesis factor 19 | Often (30–79%) | In 1 condition |
| PEX2peroxisomal biogenesis factor 2 | Often (30–79%) | In 1 condition |
| PEX3peroxisomal biogenesis factor 3 | Often (30–79%) | In 1 condition |
| PEX5peroxisomal biogenesis factor 5 | Often (30–79%) | In 1 condition |
| PEX6peroxisomal biogenesis factor 6 | Often (30–79%) | In 1 condition |
| PPP1R21protein phosphatase 1 regulatory subunit 21 | Often (30–79%) | In 1 condition |
| RPS23ribosomal protein S23 | Often (30–79%) | In 1 condition |
| SETD1BSET domain containing 1B, histone lysine methyltransferase | Often (30–79%) | In 1 condition |
| SLC25A12solute carrier family 25 member 12 | Often (30–79%) | In 1 condition |
| TWIST1twist family bHLH transcription factor 1 | Often (30–79%) | In 1 condition |
| UBE3Aubiquitin protein ligase E3A | Often (30–79%) | In 3 conditions |
Show 27 more genes
| Gene | How often it is seen | Conditions |
|---|---|---|
| ASPMassembly factor for spindle microtubules | Sometimes (5–29%) | In 1 condition |
| DPM1dolichyl-phosphate mannosyltransferase subunit 1, catalytic | Sometimes (5–29%) | In 2 conditions |
| ERFETS2 repressor factor | Sometimes (5–29%) | In 1 condition |
| HK1hexokinase 1 | Sometimes (5–29%) | In 1 condition |
| IL11RAinterleukin 11 receptor subunit alpha | Sometimes (5–29%) | In 1 condition |
| MAN1B1mannosidase alpha class 1B member 1 | Sometimes (5–29%) | In 2 conditions |
| OCRLOCRL inositol polyphosphate-5-phosphatase | Sometimes (5–29%) | In 1 condition |
| PAN2poly(A) specific ribonuclease subunit PAN2 | Sometimes (5–29%) | In 1 condition |
| RALGAPA1Ral GTPase activating protein catalytic subunit alpha 1 | Sometimes (5–29%) | In 1 condition |
| SATB2SATB homeobox 2 | Sometimes (5–29%) | In 1 condition |
| SNRPNsmall nuclear ribonucleoprotein polypeptide N | Sometimes (5–29%) | In 1 condition |
| SYNE1spectrin repeat containing nuclear envelope protein 1 | Sometimes (5–29%) | In 1 condition |
| TAF1TATA-box binding protein associated factor 1 | Sometimes (5–29%) | In 1 condition |
| TUBB3tubulin beta 3 class III | Sometimes (5–29%) | In 1 condition |
| UFC1ubiquitin-fold modifier conjugating enzyme 1 | Sometimes (5–29%) | In 1 condition |
| ZIC1Zic family zinc finger 1 | Sometimes (5–29%) | In 1 condition |
| PPP2R5Cprotein phosphatase 2 regulatory subunit B'gamma | Rarely (1–4%) | In 1 condition |
| RNU4-2RNA, U4 small nuclear 2 | Rarely (1–4%) | In 1 condition |
| KIF11kinesin family member 11 | Not recorded | In 1 condition |
| MAN2B1mannosidase alpha class 2B member 1 | Not recorded | In 1 condition |
| PTCH1patched 1 | Not recorded | In 1 condition |
| SH3PXD2BSH3 and PX domains 2B | Not recorded | In 1 condition |
| SLC34A3solute carrier family 34 member 3 | Not recorded | In 1 condition |
| SLC35A1solute carrier family 35 member A1 | Not recorded | In 1 condition |
| TMEM70transmembrane protein 70 | Not recorded | In 1 condition |
| VDRvitamin D receptor | Not recorded | In 1 condition |
| WDR73WD repeat domain 73 | 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.
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 2026.10.16-c6eea6bf.
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