Tristan has a genetic disorder because of which he has an intellectual disability. His mother informs Tristan's pediatrician that Tristan has an extremely short attention span for any task. Based on Tristan's symptoms, the pediatrician is most likely to diagnose Tristan with
A) Fragile X syndrome.
B) XYY syndrome.
C) Turner syndrome.
D) Tay-Sachs disease.

Question

Quizplus · Accepted Answer

Fragile X syndrome is a genetic disorder that causes intellectual disability, as well as attention and behavioral problems such as a short attention span, hyperactivity, and social anxiety. It is the most likely diagnosis based on the symptoms described for Tristan. XYY syndrome can also cause intellectual disability, but it is typically associated with physical features such as tall stature and sometimes aggressive behavior. Turner syndrome and Tay-Sachs disease are not likely causes of intellectual disability with a short attention span.

Tristan Has a Genetic Disorder Because of Which He Has