Multiple choice Chromatosome is nuclesome DNA nucleosome and DNA linker None of the above Reveal answer Fill a bubble to check yourself C Correct answer Explanation The chromatosome is a structural unit of chromatin which contains a histone octamer and one linker histone molecule (H5, H1a or H1b in chicken erythrocytes) bound to 168 bp of DNA (core particle DNA extended by 22 bp).