How many pairs of chromosomes are present in human beings?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 23.
- Humans typically have 23 pairs of chromosomes, or 46 chromosomes in total.
- Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females
- Chromosomes are made up of long strands of DNA, which contain all the body's genes.