Practice question

Question

Following statements are about chromatin organisation in eukaryotes: i. The length of DNA per nucleosome varies for individual tissue or species. ii. Typical nucleosomal packaging pattern is strictly maintained across the genome of an organism. iii. While wrapping around the histone core particle, uniform structure of DNA is maintained. iv. Histone tail mediated internucleosomal contact is one of the essential factors to achieve the 30 nm fibre structure. Select the correct combination of statements.