To provide you with additional information about how we collect and use your personal data, we’ve recently updated our Privacy Policy and Terms of Service. Please review these pages now, as they apply to your continued use of our website.
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. DNA and histone proteins are packaged into structures called chromosomes