how do chromosomes and dna related?
<answer> Chromosomes are structures within the nuclei of eukaryotic cells that contain deoxyribonucleic acid (DNA) combined with proteins. <context> Chromosomes are structures within the nuclei of eukaryotic cells that contain deoxyribonucleic acid (DNA) combined with proteins. Chromatin refers to the material of the chromosomes – DNA plus proteins. Before DNA replication, each chromosome contains a single, very long DNA molecule that basically runs from one end of the chromosome to the other.