B
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### Question:
Mr. Jenkins's class is studying sex chromosomes. He tells his students that the nuclei of human cells have 22 pairs of autosomes. How many sex chromosomes does the human body have?

### Choices:
A. 1
B. 2
C. 23
D. 46

### Answer:
