Some types of Down syndrome predispose the individual to developing _____________.
A) dementia pugilistica
B) Parkinson's disease
C) Alzheimer's disease
D) vascular dementia

Question

Quizplus · Accepted Answer

Individuals with Down syndrome have an extra copy of chromosome 21, which contains the gene for the amyloid precursor protein. Over time, the accumulation of amyloid beta protein in the brain can lead to the development of Alzheimer's disease, with an estimated 75% of individuals with Down syndrome over the age of 65 developing symptoms of Alzheimer's disease.

Some Types of Down Syndrome Predispose the Individual to Developing