What Are Chromosomes?

Chromosomes are thread-like structures made up of protein and a single molecule of deoxyribonucleic acid (DNA). These located inside the nucleus of animal and plant cells.

The structure of chromosomes keeps DNA tightly wrapped around spool-like proteins called as histones. Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.

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Updated on: 10-Oct-2022

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