Tags: Disease.
Oculocutaneous Albinism Type I or –Type 1A (OCA1A) is an autosomal recessive skin disease associated with albinism. This type of albinism is caused when the gene OCA1 does not function properly. The location of OCA1 may be written as 11q1.4-q2.1 meaning it is on the long arm of chromosome 11 somewhere in the range of sub-band 4 of band 1 and sub-band 1 of band 2.