Question

All human beings have ____ pairs of chromosomes in the nuclei of their cells.​

Answer 1

Answer:

Humans have 23 pairs of chromosomes--22 pairs of numbered chromosomes, called autosomes, and one pair of sex chromosomes, X and Y.

Answer 2

Answer:

All human beings have 23 pairs of chromosomes in the nuclei of their cells.

Explanation:

Humans have 23 pairs of chromosomes :

➡ 22 pairs of numbered chromosomes, called autosomes, and one pair of sex chromosomes, X and Y.