Hht is a condition of gene changes, called genetic, that you get from your parents Among its related pathways are gene expression (transcription) and transcriptional regulation by mecp2. It is an autosomal dominant disorder
That means if one of your parents has hht, you have a 50% chance of getting it Htt (huntingtin) is a protein coding gene If you have hht, each of your children has a 50% chance of getting it from you.
Although the exact function of this protein is unknown, it appears to play an important role in nerve cells (neurons) in the brain and is essential for normal development before birth. Mutations in the htt gene are responsible for huntington's disease This gene codes for the huntingtin protein and within the htt gene is a dna sequence known as the cag trinucleotide repeat.