https://en.wikipedia.org/wiki/Huntingtons_disease#/media/File:On_Chorea_with_photo.jpg Day 82 has 94 protein-coding genes (browser view) at the beginning of the p arm of Chromosome 4. It includes the famous huntingtin gene.
A mutated form of the huntingtin gene causes Huntington’s disease, but the normal role of the protein is unclear. Because the disease is associated with more repeats of a CAG sequence in the gene, Huntington’s is a trinucleotide repeat disorder. Read this story about the discovery of the huntingtin gene.
Click here to see all 8646116 letters of Day 82 with the huntingtin repeat flashing.