About 1-2 people out of 100,000 have Spinocerebellar ataxia type 1, varying mostly on geographical location and ethnicity. If a parent has Spinocerebellar ataxia type 1, there is a 50% chance that their child will inherit the disease. To show that someone has Spinocerebellar Ataxia Type 1 they have to go through a molecular genetic test. This type of test determines if someone has the disorder 100% of the time and will find if a trinucleotide repeat is present (the repeating …show more content…
CAG expansion detection by PCR, and Spinocerebellar Ataxia Type 1 Repeat Expansion Analysis (Prenatal Diagnosis) to name a few. All are used to actually diagnose a person with spinocerebellar ataxia type 1. Although, some tests do more than actually diagnose the genetic disorder. Some tests can tell that a mutated gene is present, the symptoms a person might experience throughout their life, and the risks they’re put at. (Genetic Testing