Q. What are those structures that appear as 'beads-on-string' in the chromosomes when viewed under electron microscope ?

 2491  200 AIPMTAIPMT 2011Molecular Basis of Inheritance Report Error

Solution:

Nucleosomes appear as 'beads-on-string' in the chromosome when viewed under electron microscope. The beads in 'beads-on-string' This one-way flow of information from DNA .