ChromosomeNumber

Health

How many pairs of chromosomes do humans have?

Introduction to Human Chromosomes Human chromosomes are structures made of DNA that carry genetic information. Chromosomes are found in the nucleus of human cells, and each human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes. The first 22 pairs of chromosomes are called autosomes, and the last pair are called sex chromosomes, which determine an individual’s…