Multiple choice

How many pairs of chromosomes are present in human beings?

  1. 25

  2. 24

  3. 23

  4. 22

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

Humans have 46 chromosomes total, which are organized as 23 pairs. One chromosome in each pair comes from the mother and the other from the father. This includes 22 pairs of autosomes and one pair of sex chromosomes (XX for females, XY for males).