Trait
Abnormal hair quantity
An abnormal amount of hair.
Summary
- Also called
- Abnormality of hair density
- Body system
- Abnormality of the integument
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
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Get my Genome Test35 genes linked to Abnormal hair quantity
Changes in these genes cause rare conditions in which Abnormal hair quantity 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 |
|---|---|---|
| FOXE1forkhead box E1 | Very often (80–99%) | In 1 condition |
| LMNAlamin A/C | Very often (80–99%) | In 1 condition |
| NBNnibrin | Very often (80–99%) | In 1 condition |
| PEX1peroxisomal biogenesis factor 1 | Very often (80–99%) | In 1 condition |
| PEX6peroxisomal biogenesis factor 6 | Very often (80–99%) | In 1 condition |
| AIPAHR interacting HSP90 co-chaperone | Often (30–79%) | In 1 condition |
| BRAFB-Raf proto-oncogene, serine/threonine kinase | Often (30–79%) | In 1 condition |
| CBLCbl proto-oncogene | Often (30–79%) | In 1 condition |
| CDH23cadherin related 23 | Often (30–79%) | In 2 conditions |
| DLX3distal-less homeobox 3 | Often (30–79%) | In 1 condition |
| HPGD15-hydroxyprostaglandin dehydrogenase | Often (30–79%) | In 1 condition |
| KRASKRas proto-oncogene, GTPase | Often (30–79%) | In 1 condition |
| LZTR1leucine zipper like post translational regulator 1 | Often (30–79%) | In 1 condition |
| MEN1menin 1 | Often (30–79%) | In 1 condition |
| MRASmuscle RAS oncogene homolog | Often (30–79%) | In 1 condition |
| NRASNRAS proto-oncogene, GTPase | Often (30–79%) | In 1 condition |
| PTPN11protein tyrosine phosphatase non-receptor type 11 | Often (30–79%) | In 1 condition |
| RAF1Raf-1 proto-oncogene, serine/threonine kinase | Often (30–79%) | In 1 condition |
| RASA2RAS p21 protein activator 2 | Often (30–79%) | In 1 condition |
| RIT1Ras like without CAAX 1 | Often (30–79%) | In 1 condition |
| RRASRAS related | Often (30–79%) | In 1 condition |
| RRAS2RAS related 2 | Often (30–79%) | In 1 condition |
| SLCO2A1solute carrier organic anion transporter family member 2A1 | Often (30–79%) | In 1 condition |
| SOS1SOS Ras/Rac guanine nucleotide exchange factor 1 | Often (30–79%) | In 1 condition |
| SOS2SOS Ras/Rho guanine nucleotide exchange factor 2 | Often (30–79%) | In 1 condition |
| SPRED2sprouty related EVH1 domain containing 2 | Often (30–79%) | In 1 condition |
| ASLargininosuccinate lyase | Sometimes (5–29%) | In 1 condition |
| CDH1cadherin 1 | Sometimes (5–29%) | In 1 condition |
| CTNND1catenin delta 1 | Sometimes (5–29%) | In 1 condition |
| DYNC2LI1dynein cytoplasmic 2 light intermediate chain 1 | Sometimes (5–29%) | In 1 condition |
| EVCEvC ciliary complex subunit 1 | Sometimes (5–29%) | In 1 condition |
| EVC2EvC ciliary complex subunit 2 | Sometimes (5–29%) | In 1 condition |
| GLI1GLI family zinc finger 1 | Sometimes (5–29%) | In 1 condition |
| PRKACAprotein kinase cAMP-activated catalytic subunit alpha | Sometimes (5–29%) | In 1 condition |
| PRKACBprotein kinase cAMP-activated catalytic subunit beta | Sometimes (5–29%) | 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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