Final answer:
Tay-Sachs disease is characterized by the accumulation of waste products within brain neurons.
Step-by-step explanation:
Tay-Sachs disease is characterized by accumulation of waste products within brain neurons. It is a genetic disorder that causes the lysosomes, organelles responsible for waste removal, to malfunction.
The accumulation of waste products, specifically sphingolipids, leads to the destruction of neurons and ultimately brain damage.