Multiple choice

How many pairs of human chromosomes are called autosomes?

  1. 19

  2. 20

  3. 21

  4. 22

  5. 23

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

In humans, each cell normally contains 23 pairs of chromosomes for a total of 46. Twenty two of these pairs are called autosomes in both males and females.