All cells in the human body contain microscopic structures called

There are choices for this question namely:

A) chromosomes.
B) dendrites
C) axon hillocks
D) synaptic axons

The correct answer is chromosomes. All cells in the human body (except mature red blood cells and platelets, which do not have a nucleus) have chromosomes as genetic information contained inside the nucleus. Dendrites, axon hillocks, and synaptic axons; while true that they microscopic cellular structure, are unique to nerve cells or neurons.