A patient presented complaining of slurred speech and difficulty swallowing. The patient's DNA was tested to determine the number of CAG repeats in the Huntington gene by PCR. The patient had 10-29 repeats. This result is interpreted as which of the following?

Question

Quizplus · Accepted Answer

The normal range of CAG repeats in the Huntington gene is typically 10 to 26, with some labs considering 27-29 repeats as a "grey zone." However, since this patient's result falls within the normal range, it suggests that they are not at risk of developing Huntington's disease.

A Patient Presented Complaining of Slurred Speech and Difficulty Swallowing