People with Down syndrome
A) have brains that are approximately 10 percent lighter than those of normal people.
B) suffer from augmented activity of the frontal lobe.
C) often fail to learn to talk.
D) have no distinguishing physical characteristics.
E) hace an extra Y chromosome

Question

Quizplus · Accepted Answer

People with Down syndrome have brains that are approximately 10 percent lighter than those of typical individuals. This is one of the many physical and developmental differences associated with Down syndrome.

People with Down Syndrome