Which of the following is the correct order of the levels of dna packaging in eukaryotic chromosomes? a) nucleosome--chromatin fiber looped domains- heterochromatin b) nucleosome- looped domains → chromatin fiber . heterochromatin c) heterochromatin -+nucleosome * chromatin fiberlooped domains d) chromatin fiber → heterochromatin nucleosome → looped domains e) chromatin fiber nucleosomelooped domainsheterochromatin