NCIt definition : Human HOXA1 wild-type allele is located in the vicinity of 7p15.3 and is approximately
3 kb in length. This allele, which encodes homeobox protein Hox-A1, is involved in
the modulation of embryotic segment patterning. Mutation of the gene is associated
with Athabaskan brainstem dysgenesis syndrome and Bosley-Salih-Alorainy syndrome.;