skin rashes Photosensitivity Sensitivity to sunlight Skin photosensitivity Sun sensitivity [ more ] 0000992 Percent of people who have these symptoms is not available through HPO Autosomal recessive inheritance 0000007 Partial albinism Partial absent [rarediseases.info.nih.gov]

Sun exposure produces erythema and a burn if the skin has little pigment and is unprotected but may tan well if cutaneous pigment has developed. [edoj.org.eg]

The SLC45A2 gene, also called MATP, located on the short arm of chromosome 5 (5p13.2), encodes a protein, although its exact function is unknown, is likely to be involved in melanin production. [ivami.com]

Cloning of the gene for ocular albinism type 1 from the distal short arm of the X chromosome. Nat Genet. 1995 May;10(1):13-9. O'Donnell FE Jr, Green WR, Fleischman JA, Hambrick GW. X-linked ocular albinism in Blacks. Ocular albinism cum pigmento. [eyewiki.aao.org]

In addition to mutations in TYR, OCA2, TYRP1 and SLC45A2 gene, alterations in another gene called MC1R, located on the long arm of chromosome 16 (16q24.3), can change the appearance of people with oculocutaneous albinism type 2. [ivami.com]

Ataxia Apca Ataxia, Episodic, With Nystagmus Ataxia, Familial Paroxysmal Cacna1a-Related Episodic Ataxia Type 2 Cerebellar Ataxia, Paroxysmal, Acetazolamide-Responsive Cerebellopathy, Hereditary Paroxysmal Episodic Ataxia, Nystagmus-Associated EA2 CAPA [ukgtn.nhs.uk]