Multiple choice

How many sex chromosomes are present in a human cell?

  1. 1 pair

  2. 2 pair

  3. 3 pair

  4. 4 pair

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Human cells have 23 pairs of chromosomes, including 1 pair of sex chromosomes (either XX in females or XY in males). The other 22 pairs are autosomes that carry most genetic information.