Which of the following statements is true about individuals with Down syndrome?
A) Most die before the age of 40 and have eye cataracts and hearing loss.
B) Many have enlarged brains, especially in the cerebral cortex region.
C) More than half who live past age 40 show symptoms of Alzheimer's disease.
D) Affected individuals have few common physical features.

Question

Quizplus · Accepted Answer

Studies have shown that more than 50% of individuals with Down syndrome who live past the age of 40 develop symptoms of Alzheimer's disease. Eye cataracts and hearing loss are common in individuals with Down syndrome, but not all of them experience these issues. Enlarged brains are not typically associated with Down syndrome. Finally, individuals with Down syndrome share a number of common physical features, including almond-shaped eyes, a small nose, and a shorter-than-average stature.

Which of the Following Statements Is True About Individuals with Down